{"id":620,"date":"2026-04-24T06:08:05","date_gmt":"2026-04-24T06:08:05","guid":{"rendered":"https:\/\/qd-bushings.top\/?post_type=product&#038;p=620"},"modified":"2026-04-24T07:10:52","modified_gmt":"2026-04-24T07:10:52","slug":"m-qd-type-bushings","status":"publish","type":"product","link":"https:\/\/qd-bushings.top\/fi\/product\/m-qd-type-bushings\/","title":{"rendered":"M QD Type Bushings"},"content":{"rendered":"<div style=\"font-family: 'Segoe UI',Tahoma,Geneva,Verdana,sans-serif; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box; color: #1c2b3a; background: #f5f8fb;\">\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 HERO BANNER \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: linear-gradient(135deg,#0a2540 0%,#0d3a5e 45%,#083052 100%); padding: 18px 20px 50px 20px; border-bottom: 3px solid #e8a020; text-align: center; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box; position: relative; overflow: hidden;\">\n<div style=\"position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 70% 30%,rgba(232,160,32,0.08) 0%,transparent 60%); pointer-events: none;\"><\/div>\n<div style=\"position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: repeating-linear-gradient(0deg,rgba(255,255,255,0.015) 0px,rgba(255,255,255,0.015) 1px,transparent 1px,transparent 40px); pointer-events: none;\"><\/div>\n<p style=\"font-family: 'Courier New',Courier,monospace; letter-spacing: 6px; color: #e8a020; text-transform: uppercase; font-size: 10px; font-weight: bold; margin: 0 0 16px 0; position: relative;\">\u25c6 POWER TRANSMISSION \u00a0\/\u00a0 QD BUSHING SERIES \u00a0\/\u00a0 UNITED KINGDOM \u25c6<\/p>\n<h2 style=\"color: #ffffff; font-size: clamp(26px,5.5vw,52px); font-weight: bold; margin: 0 0 16px 0; line-height: 1.18; letter-spacing: -0.5px; position: relative;\">M QD Type Bushings<\/h2>\n<p style=\"color: #7aafd4; font-size: clamp(12px,2vw,16px); margin: 0 0 8px 0; letter-spacing: 2.5px; font-family: 'Courier New',monospace; position: relative;\">BORE: 1\u00bd\u2033 \u2013 5\u00bd\u2033 \u00a0|\u00a0 METRIC: 50mm \u2013 115mm \u00a0|\u00a0 WEIGHT: 37 LBS \u00a0|\u00a0 TORQUE: 2,700 IN\/LBS<\/p>\n<p style=\"color: #3d6e8f; font-size: 11px; margin: 14px 0 0 0; letter-spacing: 4px; text-transform: uppercase; font-family: 'Courier New',monospace; position: relative;\">SOLID STEEL CONSTRUCTION \u00a0\u00b7\u00a0 FACTORY-DIRECT UK SUPPLY \u00a0\u00b7\u00a0 OEM &amp; ODM AVAILABLE<\/p>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 PRODUCT INTRO \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: #ffffff; padding: 36px 20px; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box;\">\n<div style=\"border-left: 5px solid #e8a020; padding-left: 22px; margin-bottom: 30px;\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 4px; color: #e8a020; text-transform: uppercase; margin: 0 0 10px 0; font-weight: bold;\">PRODUCT OVERVIEW<\/p>\n<h2 style=\"font-family: 'Segoe UI',Verdana,sans-serif; color: #0a2540; font-size: clamp(19px,3.2vw,28px); margin: 0 0 18px 0; font-weight: bold; line-height: 1.25;\">What Makes the M QD Bushing an Industrial Standard Across the UK?<\/h2>\n<p style=\"color: #354e63; font-size: 15px; line-height: 1.88; margin: 0 0 16px 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-606 alignleft\" src=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-QD-Bushing-4-1-1.webp\" alt=\"QD Bushings\" width=\"244\" height=\"184\" title=\"\">The M QD Type Bushing is a precision-machined, quick-detachable shaft mounting component used across the full spectrum of British power transmission engineering. Built from solid steel \u2014 rather than cast iron alternatives found elsewhere in the market \u2014 it delivers exceptional rigidity and dimensional consistency across its wide bore range, which extends from 1-15\/16 inch through to 5-1\/2 inch in imperial increments and from 50mm to 115mm in metric sizes. This breadth makes the M-size one of the most versatile specifications within the QD series, readily covering gearbox output shafts, pump drive shafts, and conveyor head drum shafts across industries from food processing in the East Midlands to heavy mineral extraction in South Wales.<\/p>\n<p style=\"color: #354e63; font-size: 15px; line-height: 1.88; margin: 0 0 16px 0;\">Unlike plain interference-fit hubs or split-clamp collars, the M QD bushing uses a precision 4-degree internal taper that self-energises as the set screws are torqued to the specified 2,700 in\/lbs. This approach generates a powerful, evenly distributed radial clamping load on the shaft without requiring hydraulic tooling, heating, or shaft machining beyond a standard keyway. The result is a power transmission connection that performs reliably under cyclic loading, vibration, and \u2014 critically for the UK&#8217;s frequently humid industrial environments \u2014 the moisture exposure that causes plain interference fits to seize permanently.<\/p>\n<p style=\"color: #354e63; font-size: 15px; line-height: 1.88; margin: 0;\">An extensive in-process quality control programme covers every batch leaving our facility: bore diameter, taper geometry, keyway width, and surface finish are each verified against master gauges before despatch. UK customers receive components that are genuinely interchangeable \u2014 a replacement M bushing from our current stock seats as precisely as the original, without the alignment corrections that plague bushings produced to looser tolerances.<\/p>\n<\/div>\n<div style=\"text-align: center; margin: 28px 0;\">\n<p style=\"font-size: 12px; color: #7a93a8; margin: 10px 0 0 0; font-family: 'Courier New',monospace; letter-spacing: 1px;\">M QD BUSHING \u2014 DIMENSIONAL REFERENCE &amp; MOUNTING VIEW<\/p>\n<\/div>\n<p><!-- Quote Button --><\/p>\n<div style=\"text-align: center; margin: 26px 0 4px 0;\"><a style=\"display: inline-block; background: linear-gradient(135deg,#e8a020,#c47e10); color: #ffffff; text-decoration: none; font-size: 15px; font-weight: bold; padding: 16px 46px; border-radius: 50px; box-shadow: 0 8px 26px rgba(232,160,32,0.44); letter-spacing: 1.5px; text-transform: uppercase; font-family: 'Courier New',monospace;\" href=\"mailto:sales@qd-bushings.top\">\u2709 REQUEST A QUOTE<\/a><\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 DIMENSIONS TABLE \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: #edf2f7; padding: 36px 20px; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box;\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 4px; color: #2a87cf; text-transform: uppercase; text-align: center; margin: 0 0 10px 0;\">ENGINEERING REFERENCE<\/p>\n<h2 style=\"font-family: 'Segoe UI',Verdana,sans-serif; color: #0a2540; font-size: clamp(19px,3vw,27px); text-align: center; margin: 0 0 6px 0; font-weight: bold;\">M QD Bushing \u2014 Physical Dimensions<\/h2>\n<p style=\"text-align: center; color: #56708a; font-size: 13px; margin: 0 0 22px 0;\">All imperial dimensions stated in inches unless otherwise noted<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-622\" src=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-2-1.webp\" alt=\"QD Bushings\" width=\"1168\" height=\"880\" title=\"\" srcset=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-2-1.webp 1168w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-2-1-980x738.webp 980w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-2-1-480x362.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1168px, 100vw\" \/><\/p>\n<div style=\"overflow-x: auto; width: 100%; max-width: 100%; box-sizing: border-box; -webkit-overflow-scrolling: touch;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: 14px; background: #ffffff; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 22px rgba(10,37,64,0.10);\">\n<thead>\n<tr style=\"background: linear-gradient(90deg,#0a2540,#0d3a5e);\">\n<th style=\"padding: 14px 16px; text-align: left; color: #e8a020; font-family: 'Courier New',monospace; letter-spacing: 2px; font-size: 10px; text-transform: uppercase; border: none;\">Dimension<\/th>\n<th style=\"padding: 14px 16px; text-align: center; color: #e8a020; font-family: 'Courier New',monospace; letter-spacing: 2px; font-size: 10px; text-transform: uppercase; border: none;\">Value<\/th>\n<th style=\"padding: 14px 16px; text-align: center; color: #e8a020; font-family: 'Courier New',monospace; letter-spacing: 2px; font-size: 10px; text-transform: uppercase; border: none;\">Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; color: #1c2b3a; border-bottom: 1px solid #e4ebf2; font-family: 'Courier New',monospace; font-weight: 600;\">A<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #0a2540; font-weight: bold; border-bottom: 1px solid #e4ebf2;\">1.250\u2033<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #6a7f92; border-bottom: 1px solid #e4ebf2; font-size: 13px;\">Keyway Width<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 11px 16px; color: #1c2b3a; border-bottom: 1px solid #e4ebf2; font-family: 'Courier New',monospace; font-weight: 600;\">B<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #0a2540; font-weight: bold; border-bottom: 1px solid #e4ebf2;\">6.500\u2033<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #6a7f92; border-bottom: 1px solid #e4ebf2; font-size: 13px;\">Bushing Length<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; color: #1c2b3a; border-bottom: 1px solid #e4ebf2; font-family: 'Courier New',monospace; font-weight: 600;\">D<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #0a2540; font-weight: bold; border-bottom: 1px solid #e4ebf2;\">9.000\u2033<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #6a7f92; border-bottom: 1px solid #e4ebf2; font-size: 13px;\">Outside Flange Diameter<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 11px 16px; color: #1c2b3a; border-bottom: 1px solid #e4ebf2; font-family: 'Courier New',monospace; font-weight: 600;\">E<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #0a2540; font-weight: bold; border-bottom: 1px solid #e4ebf2;\">5.500\u2033<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #6a7f92; border-bottom: 1px solid #e4ebf2; font-size: 13px;\">Taper Length<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; color: #1c2b3a; border-bottom: 1px solid #e4ebf2; font-family: 'Courier New',monospace; font-weight: 600;\">F<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #0a2540; font-weight: bold; border-bottom: 1px solid #e4ebf2;\">5.188\u2033<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #6a7f92; border-bottom: 1px solid #e4ebf2; font-size: 13px;\">Flange Pilot Diameter<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 11px 16px; color: #1c2b3a; border-bottom: 1px solid #e4ebf2; font-family: 'Courier New',monospace; font-weight: 600;\">G<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #0a2540; font-weight: bold; border-bottom: 1px solid #e4ebf2;\">0.188\u2033<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #6a7f92; border-bottom: 1px solid #e4ebf2; font-size: 13px;\">Flange Thickness<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; color: #1c2b3a; border-bottom: 1px solid #e4ebf2; font-family: 'Courier New',monospace; font-weight: 600;\">L<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #0a2540; font-weight: bold; border-bottom: 1px solid #e4ebf2;\">6.750\u2033<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #6a7f92; border-bottom: 1px solid #e4ebf2; font-size: 13px;\">Total Overall Length<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 11px 16px; color: #1c2b3a; border-bottom: 1px solid #e4ebf2; font-family: 'Courier New',monospace; font-weight: 600;\">Bolt Circle<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #0a2540; font-weight: bold; border-bottom: 1px solid #e4ebf2;\">7.875\u2033<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #6a7f92; border-bottom: 1px solid #e4ebf2; font-size: 13px;\">Pull-Up Bolt PCD<\/td>\n<\/tr>\n<tr style=\"background: #fff8ed; border-left: 4px solid #e8a020;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: bold; color: #e8a020; border-bottom: 1px solid #f0e0c0;\">Set Screw<\/td>\n<td style=\"padding: 11px 16px; text-align: center; font-weight: bold; color: #e8a020; border-bottom: 1px solid #f0e0c0;\">3\/4\u201310 UNC<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #7a6040; border-bottom: 1px solid #f0e0c0; font-size: 13px;\">Socket Head Cap Screw<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; color: #1c2b3a; font-family: 'Courier New',monospace; font-weight: 600;\">Weight<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #0a2540; font-weight: bold;\">37.00 LBS<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #6a7f92; font-size: 13px;\">Standard cast; alloy steel heavier<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><!-- Bore Size Table --><\/p>\n<h3 style=\"font-family: 'Segoe UI',Verdana,sans-serif; color: #0a2540; font-size: clamp(17px,2.5vw,22px); text-align: center; margin: 38px 0 14px 0; font-weight: bold;\">Available Bore Sizes \u2014 Imperial &amp; Metric<\/h3>\n<div style=\"overflow-x: auto; width: 100%; max-width: 100%; box-sizing: border-box; -webkit-overflow-scrolling: touch;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: 13px; background: #ffffff; border-radius: 10px; overflow: hidden; box-shadow: 0 3px 18px rgba(10,37,64,0.09);\">\n<thead>\n<tr style=\"background: linear-gradient(90deg,#0a2540,#0d3a5e);\">\n<th style=\"padding: 13px 16px; color: #e8a020; font-family: 'Courier New',monospace; letter-spacing: 2px; font-size: 10px; text-transform: uppercase; border: none; text-align: left;\">Series<\/th>\n<th style=\"padding: 13px 16px; color: #e8a020; font-family: 'Courier New',monospace; letter-spacing: 2px; font-size: 10px; text-transform: uppercase; border: none; text-align: left;\">Available Bore Sizes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 12px 16px; color: #0a2540; font-weight: bold; border-bottom: 1px solid #e4ebf2; font-family: 'Courier New',monospace; white-space: nowrap;\">Imperial (inches)<\/td>\n<td style=\"padding: 12px 16px; color: #354e63; border-bottom: 1px solid #e4ebf2; line-height: 1.9;\">1-15\/16\u2033 \u2022 2\u2033 \u2022 2-1\/16\u2033 \u2022 2-1\/8\u2033 \u2022 2-3\/16\u2033 \u2022 2-1\/4\u2033 \u2022 2-3\/8\u2033 \u2022 2-7\/16\u2033 \u2022 2-1\/2\u2033 \u2022 2-5\/8\u2033 \u2022 2-11\/16\u2033 \u2022 2-3\/4\u2033 \u2022 2-7\/8\u2033 \u2022 3\u2033 \u2022 3-1\/8\u2033 \u2022 3-3\/16\u2033 \u2022 3-1\/4\u2033 \u2022 3-1\/2\u2033 \u2022 3-5\/8\u2033 \u2022 3-3\/4\u2033 \u2022 3-11\/16\u2033 \u2022 4\u2033 \u2022 4-3\/16\u2033 \u2022 4-1\/4\u2033 \u2022 4-3\/4\u2033 \u2022 4-7\/8\u2033 \u2022 5\u2033 \u2022 5-3\/16\u2033 \u2022 5-1\/4\u2033 \u2022 5-7\/16\u2033 \u2022 5-1\/2\u2033<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 12px 16px; color: #0a2540; font-weight: bold; font-family: 'Courier New',monospace; white-space: nowrap;\">Metric (mm)<\/td>\n<td style=\"padding: 12px 16px; color: #354e63; line-height: 1.9;\">50 \u2022 65 \u2022 70 \u2022 75 \u2022 80 \u2022 85 \u2022 90 \u2022 95 \u2022 100 \u2022 110 \u2022 115<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><!-- Full QD Torque Reference --><\/p>\n<h3 style=\"font-family: 'Segoe UI',Verdana,sans-serif; color: #0a2540; font-size: clamp(17px,2.5vw,22px); text-align: center; margin: 38px 0 14px 0; font-weight: bold;\">QD Bushing Series \u2014 Full Bolt Torque Reference<\/h3>\n<div style=\"overflow-x: auto; width: 100%; max-width: 100%; box-sizing: border-box; -webkit-overflow-scrolling: touch;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: 14px; background: #ffffff; border-radius: 10px; overflow: hidden; box-shadow: 0 3px 18px rgba(10,37,64,0.09);\">\n<thead>\n<tr style=\"background: linear-gradient(90deg,#0a2540,#0d3a5e);\">\n<th style=\"padding: 13px 16px; color: #e8a020; font-family: 'Courier New',monospace; letter-spacing: 2px; font-size: 10px; text-transform: uppercase; border: none; text-align: left;\">QD Size<\/th>\n<th style=\"padding: 13px 16px; color: #e8a020; font-family: 'Courier New',monospace; letter-spacing: 2px; font-size: 10px; text-transform: uppercase; border: none; text-align: center;\">Cap Screw Size<\/th>\n<th style=\"padding: 13px 16px; color: #e8a020; font-family: 'Courier New',monospace; letter-spacing: 2px; font-size: 10px; text-transform: uppercase; border: none; text-align: center;\">Torque (in\/lbs)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">JA<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">10 \u2013 24<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">60<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">SH \/ SDS \/ SD<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">.25 \u2013 20<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">108<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">SK<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">.3125 \u2013 18<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">180<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">SF<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">.375 \u2013 16<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">360<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">E<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">.5 \u2013 13<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">720<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">F<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">.5625 \u2013 12<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">900<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">J<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">.625 \u2013 11<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">1,620<\/td>\n<\/tr>\n<tr style=\"background: #fff8ed; border-left: 4px solid #e8a020;\">\n<td style=\"padding: 11px 16px; border-bottom: 1px solid #f0e0c0;\"><span style=\"font-family: 'Courier New',monospace; font-weight: bold; color: #e8a020; font-size: 15px;\">M<\/span><br \/>\n<span style=\"font-size: 10px; background: #e8a020; color: #fff; padding: 2px 7px; border-radius: 10px; margin-left: 8px; font-family: 'Courier New',monospace; letter-spacing: 1px; vertical-align: middle;\">THIS PAGE<\/span><\/td>\n<td style=\"padding: 11px 16px; text-align: center; font-weight: bold; color: #e8a020; border-bottom: 1px solid #f0e0c0; font-size: 15px;\">.75 \u2013 10<\/td>\n<td style=\"padding: 11px 16px; text-align: center; font-weight: bold; color: #e8a020; border-bottom: 1px solid #f0e0c0; font-size: 15px;\">2,700<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">N<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">.875 \u2013 9<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">3,600<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">P<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">1 \u2013 8<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">5,400<\/td>\n<\/tr>\n<tr style=\"background: #edf2f7;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a; border-bottom: 1px solid #e4ebf2;\">W<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">1.125 \u2013 7<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63; border-bottom: 1px solid #e4ebf2;\">7,200<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 11px 16px; font-family: 'Courier New',monospace; font-weight: 600; color: #1c2b3a;\">S<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63;\">1.125 \u2013 7<\/td>\n<td style=\"padding: 11px 16px; text-align: center; color: #354e63;\">9,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 4 ADVANTAGE CARDS \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: #ffffff; padding: 36px 20px; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box;\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 4px; color: #2a87cf; text-transform: uppercase; text-align: center; margin: 0 0 10px 0;\">KEY ADVANTAGES<\/p>\n<h2 style=\"font-family: 'Segoe UI',Verdana,sans-serif; color: #0a2540; font-size: clamp(19px,3vw,27px); text-align: center; margin: 0 0 6px 0; font-weight: bold;\">Four Reasons UK Engineers Choose M QD Bushings<\/h2>\n<p style=\"text-align: center; color: #56708a; font-size: 14px; margin: 0 0 26px 0;\">Validated through 15+ years of factory production and field deployment across British industry<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-608\" src=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-3-1.webp\" alt=\"QD Bushings\" width=\"1254\" height=\"536\" title=\"\" srcset=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-3-1.webp 1254w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-3-1-980x419.webp 980w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-3-1-480x205.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1254px, 100vw\" \/><\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 16px; width: 100%; max-width: 100%; box-sizing: border-box;\">\n<div style=\"flex: 1 1 210px; background: #f5f8fb; border-radius: 12px; padding: 26px 20px; box-sizing: border-box; border-top: 4px solid #e8a020; box-shadow: 0 3px 18px rgba(10,37,64,0.07);\">\n<div style=\"font-size: 28px; margin-bottom: 12px;\">\ud83d\udd27<\/div>\n<h3 style=\"color: #0a2540; font-size: 16px; font-weight: bold; margin: 0 0 12px 0;\">Solid Steel Rigidity<\/h3>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.8; margin: 0;\">The M QD bushing is manufactured from solid steel rather than grey cast iron, delivering measurably higher tensile strength and resistance to fracture under shock loading. On UK quarrying and crushing plant where impact loads spike repeatedly throughout each working shift, this material choice translates to extended service life and fewer emergency replacements. Steel construction also provides superior thread integrity in the set screw holes, maintaining the full 2,700 in\/lbs clamping torque through repeated mount and dismount cycles without thread wear degradation \u2014 a genuine engineering advantage over cast equivalents that become unreliable after repeated use.<\/p>\n<\/div>\n<div style=\"flex: 1 1 210px; background: #f5f8fb; border-radius: 12px; padding: 26px 20px; box-sizing: border-box; border-top: 4px solid #2a87cf; box-shadow: 0 3px 18px rgba(10,37,64,0.07);\">\n<div style=\"font-size: 28px; margin-bottom: 12px;\">\ud83d\udcc8<\/div>\n<h3 style=\"color: #0a2540; font-size: 16px; font-weight: bold; margin: 0 0 12px 0;\">Exceptionally Wide Bore Range<\/h3>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.8; margin: 0;\">Few QD bushing products in the UK market cover both imperial and metric shaft sizes within the same component designation. The M QD bushing accommodates 30-plus imperial bore steps alongside eleven standard metric diameters from 50mm to 115mm. For procurement teams managing mixed-origin equipment \u2014 European gearboxes on British conveyor frames, for instance \u2014 this eliminates the need to hold separate imperial and metric bushing stock. One product family, one supplier relationship, and one dimensional reference table handles the full bore range encountered across a typical UK manufacturing or process facility.<\/p>\n<\/div>\n<div style=\"flex: 1 1 210px; background: #f5f8fb; border-radius: 12px; padding: 26px 20px; box-sizing: border-box; border-top: 4px solid #27ae60; box-shadow: 0 3px 18px rgba(10,37,64,0.07);\">\n<div style=\"font-size: 28px; margin-bottom: 12px;\">\u2705<\/div>\n<h3 style=\"color: #0a2540; font-size: 16px; font-weight: bold; margin: 0 0 12px 0;\">Rigorous Quality Control<\/h3>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.8; margin: 0;\">Every M QD bushing batch passes through a structured multi-stage quality control programme before despatch. Bore diameter, taper concentricity, keyway dimensions, and surface finish are each measured against calibrated master gauges \u2014 not assessed visually or by sampling alone. This discipline produces components with genuine interchangeability: a replacement pulled from our UK-destined stock seats and performs identically to the original installed part. For maintenance engineers at British sites, this consistency removes the alignment re-work that frequently follows installation of lower-grade bushings, keeping plant downtime within planned windows rather than extending uncontrolled into production time.<\/p>\n<\/div>\n<div style=\"flex: 1 1 210px; background: #f5f8fb; border-radius: 12px; padding: 26px 20px; box-sizing: border-box; border-top: 4px solid #8e44ad; box-shadow: 0 3px 18px rgba(10,37,64,0.07);\">\n<div style=\"font-size: 28px; margin-bottom: 12px;\">\ud83d\udd04<\/div>\n<h3 style=\"color: #0a2540; font-size: 16px; font-weight: bold; margin: 0 0 12px 0;\">Universal Hub Compatibility<\/h3>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.8; margin: 0;\">M QD bushings conform to the established dimensional standard adopted by all major power transmission component manufacturers globally. Sprockets, V-belt sheaves, timing pulleys, and flexible coupling hubs from any compliant manufacturer accept the M bushing directly, without modification or adapter plates. Across a typical UK food factory or water utility site running equipment from half a dozen different OEMs, this standardisation allows one M-size bushing to serve multiple drive types \u2014 a genuine simplification of the MRO procurement and stockholding burden that maintenance managers in England, Scotland, and Wales consistently highlight as a priority area for cost reduction.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 MOUNTING GUIDE \u2014 3 CARDS \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: #edf2f7; padding: 36px 20px; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box;\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 4px; color: #e8a020; text-transform: uppercase; text-align: center; margin: 0 0 10px 0;\">INSTALLATION GUIDE<\/p>\n<h2 style=\"font-family: 'Segoe UI',Verdana,sans-serif; color: #0a2540; font-size: clamp(19px,3vw,27px); text-align: center; margin: 0 0 6px 0; font-weight: bold;\">Mounting, Taper Mechanics &amp; Material Behaviour<\/h2>\n<p style=\"text-align: center; color: #56708a; font-size: 14px; margin: 0 0 26px 0;\">Correct installation practice, the physics behind the QD taper, and material selection context<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 16px; width: 100%; max-width: 100%; box-sizing: border-box;\">\n<div style=\"flex: 1 1 270px; background: #ffffff; border-radius: 12px; padding: 26px 20px; border-left: 5px solid #e8a020; box-sizing: border-box; box-shadow: 0 2px 14px rgba(10,37,64,0.07);\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: #e8a020; margin: 0 0 10px 0; font-weight: bold;\">\u2023 MOUNTING PROCEDURE<\/p>\n<h3 style=\"color: #0a2540; font-size: 16px; font-weight: bold; margin: 0 0 14px 0;\">Step-by-Step Standard Installation<\/h3>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.82; margin: 0 0 14px 0;\">Clean both the bushing outer cone and the inside of the hub taper bore thoroughly. Any oil, grease, or anti-seize compound on these surfaces will prevent the taper from generating the required clamping force \u2014 a single contaminated surface is the most common cause of bushing slip under load, and it is not detectable until the drive fails.<\/p>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.82; margin: 0 0 14px 0;\">Slide the M QD bushing onto the shaft flange-end first, assemble the key, and hand-tighten the set screw \u2014 do not apply high torque at this stage. Place the sprocket or sheave taper hole over the bushing cone, aligning the drilled holes on the hub with the tapped extraction holes in the bushing flange. Thread in the pull-up bolts with lock washers.<\/p>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.82; margin: 0;\">Tighten pull-up bolts in an alternating, progressive sequence \u2014 never tighten one bolt fully before moving to the next. Continue until the 2,700 in\/lbs torque is achieved uniformly. A visible gap between the hub face and bushing flange face confirms the taper is properly seated; this gap must remain open and must never be closed by over-tightening.<\/p>\n<\/div>\n<div style=\"flex: 1 1 270px; background: #ffffff; border-radius: 12px; padding: 26px 20px; border-left: 5px solid #2a87cf; box-sizing: border-box; box-shadow: 0 2px 14px rgba(10,37,64,0.07);\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: #2a87cf; margin: 0 0 10px 0; font-weight: bold;\">\u2023 DISMOUNTING PROCEDURE<\/p>\n<h3 style=\"color: #0a2540; font-size: 16px; font-weight: bold; margin: 0 0 14px 0;\">Clean, Shaft-Safe Removal Every Time<\/h3>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.82; margin: 0 0 14px 0;\">QD bushing removal is engineered into the design \u2014 there is no need for pullers, hydraulic extractors, or heat. Remove the pull-up bolts entirely and thread them into the extraction tapped holes in the bushing flange. As these bolts are tightened, the bushing is driven axially out of the hub taper, breaking the interference grip cleanly and without any force applied to the shaft itself.<\/p>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.82; margin: 0 0 14px 0;\">This self-releasing geometry is what differentiates QD bushings from conventional interference-fit hubs in planned maintenance programmes across UK industry. The shaft surface and the hub bore are undamaged by the removal process, meaning the same shaft can accept a new bushing immediately without regrinding or sleeve fitting.<\/p>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.82; margin: 0;\">For sites in high-humidity regions \u2014 coastal locations, water treatment works, or offshore support facilities \u2014 it is good practice to apply a thin film of clean machine oil to the bushing bore and the shaft contact area prior to re-installation, which assists future removal without affecting grip, as the taper surfaces remain dry and unlubricated.<\/p>\n<\/div>\n<div style=\"flex: 1 1 270px; background: #ffffff; border-radius: 12px; padding: 26px 20px; border-left: 5px solid #27ae60; box-sizing: border-box; box-shadow: 0 2px 14px rgba(10,37,64,0.07);\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: #27ae60; margin: 0 0 10px 0; font-weight: bold;\">\u2023 APPLICATIONS &amp; MATERIALS<\/p>\n<h3 style=\"color: #0a2540; font-size: 16px; font-weight: bold; margin: 0 0 14px 0;\">Sectors, Drive Types &amp; Material Context<\/h3>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.82; margin: 0 0 14px 0;\">M QD bushings are most commonly installed on sprockets driving heavy roller chains, V-belt sheave banks on multi-strand drives, timing belt pulleys on synchronised conveyor systems, and flanged flexible coupling hubs on pump and fan drives. Their bore range aligns directly with the output shafts of medium-to-large industrial gearboxes commonly specified across UK construction, mining, agriculture, hydropower, transportation, and food processing industries.<\/p>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.82; margin: 0 0 14px 0;\">The standard solid steel construction offers an excellent strength-to-weight balance and performs reliably across UK operating temperatures from cold Scottish winter start-ups through to the elevated ambient temperatures found inside bakery and drying plant enclosures in the South of England.<\/p>\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.82; margin: 0;\">For food contact environments, stainless steel and electroless nickel-plated variants are available as factory-ordered options. Both finishes meet the hygiene surface requirements applied under British and EU food safety standards, making the M QD bushing system usable throughout the drive train on British food processing lines without the risk of contamination from corrosion products.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-607\" src=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-4-1.webp\" alt=\"QD Bushings\" width=\"1254\" height=\"693\" title=\"\" srcset=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-4-1.webp 1254w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-4-1-980x542.webp 980w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-M-QD-Type-Bushings-4-1-480x265.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1254px, 100vw\" \/><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 TESTIMONIALS \u2014 DARK \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: linear-gradient(135deg,#0a2540 0%,#0d3a5e 55%,#083052 100%); padding: 36px 20px; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box;\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 4px; color: #e8a020; text-transform: uppercase; text-align: center; margin: 0 0 10px 0;\">CUSTOMER VOICES<\/p>\n<h2 style=\"font-family: 'Segoe UI',Verdana,sans-serif; color: #ffffff; font-size: clamp(19px,3vw,27px); text-align: center; margin: 0 0 6px 0; font-weight: bold;\">How UK Industry Uses M QD Bushings in Practice<\/h2>\n<p style=\"text-align: center; color: #5a80a0; font-size: 14px; margin: 0 0 28px 0;\">Direct feedback from engineering teams operating these components in the field<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 16px; width: 100%; max-width: 100%; box-sizing: border-box;\">\n<div style=\"flex: 1 1 250px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 26px 20px; box-sizing: border-box;\">\n<div style=\"color: #e8a020; font-size: 18px; margin-bottom: 12px; letter-spacing: 2px;\">\u2605\u2605\u2605\u2605\u2605<\/div>\n<p style=\"color: #a8c8e0; font-size: 14px; line-height: 1.82; font-style: italic; margin: 0 0 18px 0;\">&#8220;We upgraded twelve conveyor head pulley drives at our Welsh aggregate site from old interference-fit hubs to M QD bushings across the full range of shaft sizes \u2014 2-inch through to 4-inch. The metric bore option covered our two imported crusher drives perfectly without custom machining. Changeover time at the last quarterly shutdown dropped by roughly two-thirds compared to the previous arrangement. The solid steel quality is self-evident when you handle them.&#8221;<\/p>\n<p style=\"color: #e8a020; font-weight: bold; font-size: 14px; margin: 0 0 4px 0;\">Rhys Griffiths \u2014 Maintenance Engineer<\/p>\n<p style=\"color: #3d6e8f; font-size: 11px; margin: 0; font-family: 'Courier New',monospace; letter-spacing: 1px;\">CAMBRIAN STONE PRODUCTS \u2014 MERTHYR TYDFIL, WALES<\/p>\n<\/div>\n<div style=\"flex: 1 1 250px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 26px 20px; box-sizing: border-box;\">\n<div style=\"color: #e8a020; font-size: 18px; margin-bottom: 12px; letter-spacing: 2px;\">\u2605\u2605\u2605\u2605\u2605<\/div>\n<p style=\"color: #a8c8e0; font-size: 14px; line-height: 1.82; font-style: italic; margin: 0 0 18px 0;\">&#8220;We operate a large-scale poultry processing facility in Lincolnshire and run wash-down regimes twice daily. Corrosion on drive components was a significant reliability and hygiene risk. The nickel-plated M QD bushings we now source through qd-bushings.top have been in service for eighteen months without any surface degradation. The OEM ordering process was straightforward and the delivery to our Lincolnshire site was quick. Competitive price against our previous UK distributor.&#8221;<\/p>\n<p style=\"color: #2a87cf; font-weight: bold; font-size: 14px; margin: 0 0 4px 0;\">Patricia Lamb \u2014 Engineering Services Manager<\/p>\n<p style=\"color: #3d6e8f; font-size: 11px; margin: 0; font-family: 'Courier New',monospace; letter-spacing: 1px;\">FENLAND PROTEIN FOODS LTD \u2014 SPALDING, LINCOLNSHIRE<\/p>\n<\/div>\n<div style=\"flex: 1 1 250px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 26px 20px; box-sizing: border-box;\">\n<div style=\"color: #e8a020; font-size: 18px; margin-bottom: 12px; letter-spacing: 2px;\">\u2605\u2605\u2605\u2605\u2605<\/div>\n<p style=\"color: #a8c8e0; font-size: 14px; line-height: 1.82; font-style: italic; margin: 0 0 18px 0;\">&#8220;We run a mixed fleet of pump sets on Scottish water supply infrastructure, with shaft diameters from 75mm up to 110mm on the larger units. Finding a single <a href=\"https:\/\/qd-bushings.top\/fi\/application\/optimizing-dam-operations-high-durability-qd-bushings-for-water-conservancy-gate-hoists\/\">QD bushing<\/a> range that genuinely covered the metric bores without imperial adaptations was the deciding factor. The M size works identically across our fleet, the torque table is clear, and the dismounting without pullers has made a real difference in confined pump house conditions. We have placed repeat orders three times now.&#8221;<\/p>\n<p style=\"color: #27ae60; font-weight: bold; font-size: 14px; margin: 0 0 4px 0;\">Alasdair MacKay \u2014 Pump Systems Engineer<\/p>\n<p style=\"color: #3d6e8f; font-size: 11px; margin: 0; font-family: 'Courier New',monospace; letter-spacing: 1px;\">HIGHLAND WATER SERVICES \u2014 INVERNESS, SCOTLAND<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 CUSTOM \/ FACTORY \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: #ffffff; padding: 36px 20px; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box;\">\n<div style=\"background: linear-gradient(135deg,#edf2f7,#e2ecf5); border-radius: 14px; padding: 32px 28px; border-left: 5px solid #2a87cf; box-sizing: border-box;\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 4px; color: #2a87cf; text-transform: uppercase; margin: 0 0 10px 0; font-weight: bold;\">OEM &amp; CUSTOM MANUFACTURING<\/p>\n<h2 style=\"font-family: 'Segoe UI',Verdana,sans-serif; color: #0a2540; font-size: clamp(19px,3vw,25px); margin: 0 0 18px 0; font-weight: bold; line-height: 1.3;\">Bespoke M QD Bushings \u2014 Tailored to Your Shaft Specification<\/h2>\n<p style=\"color: #354e63; font-size: 15px; line-height: 1.88; margin: 0 0 16px 0;\">With over fifteen years of OEM and ODM manufacturing experience, our production facility is equipped to supply M QD bushings in configurations that fall outside the standard catalogue. Engineering teams at UK industrial sites regularly encounter situations where the standard bore increment doesn&#8217;t match the actual shaft, or where a specific keyway geometry is required to interface with an existing hub or shaft machining. Our CNC turning capability handles these requirements without compromise: non-standard bore sizes in both imperial fractional and metric dimensions, custom keyway widths and depths, double-keyway arrangements for high-torque reversing drives, extended flange geometries, and material upgrades including stainless steel and alloy steel with surface hardening.<\/p>\n<p style=\"color: #354e63; font-size: 15px; line-height: 1.88; margin: 0 0 24px 0;\">OEM customers supplying equipment to the British market benefit from low minimum order quantities suitable for pilot and prototype programmes, with full first-article inspection reports and material certification available on request. Standard custom lead times run 10\u201315 working days from drawing sign-off. For breakdown situations at UK production sites, accelerated manufacturing can be discussed on a case-by-case basis. Our engineering team will review your drawings and advise on the optimal specification before production commitment \u2014 email us with your dimensions and we will respond with technical feedback and a competitive quote on the same working day.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-611\" src=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-JA-QD-Type-Bushings-3-1.webp\" alt=\"QD Bushings workshop\" width=\"1619\" height=\"971\" title=\"\" srcset=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-JA-QD-Type-Bushings-3-1.webp 1619w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-JA-QD-Type-Bushings-3-1-1280x768.webp 1280w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-JA-QD-Type-Bushings-3-1-980x588.webp 980w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-JA-QD-Type-Bushings-3-1-480x288.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1619px, 100vw\" \/><\/p>\n<p><a style=\"display: inline-block; background: linear-gradient(135deg,#2a87cf,#1a65a8); color: #ffffff; text-decoration: none; font-size: 14px; font-weight: bold; padding: 14px 40px; border-radius: 50px; box-shadow: 0 8px 26px rgba(42,135,207,0.40); letter-spacing: 1.5px; text-transform: uppercase; font-family: 'Courier New',monospace;\" href=\"mailto:sales@qd-bushings.top\">\u2709 GET A QUOTE<\/a><\/p>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 FAQ \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: #edf2f7; padding: 36px 20px; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box;\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 4px; color: #e8a020; text-transform: uppercase; text-align: center; margin: 0 0 10px 0;\">COMMON QUESTIONS<\/p>\n<h2 style=\"font-family: 'Segoe UI',Verdana,sans-serif; color: #0a2540; font-size: clamp(19px,3vw,27px); text-align: center; margin: 0 0 28px 0; font-weight: bold;\">Frequently Asked Questions<\/h2>\n<div style=\"margin-bottom: 14px; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 12px rgba(10,37,64,0.07);\">\n<div style=\"background: #ffffff; padding: 16px 22px; border-left: 4px solid #e8a020;\">\n<p style=\"font-weight: bold; color: #0a2540; font-size: 15px; margin: 0; font-family: 'Segoe UI',Verdana,sans-serif;\">How do I correctly install an M QD bushing on a 3-inch shaft in a UK aggregate crushing plant, and what torque should I apply to the cap screws?<\/p>\n<\/div>\n<div style=\"background: #ffffff; padding: 16px 22px; border-top: 1px solid #e4ebf2;\">\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.78; margin: 0;\">Clean both the bushing taper and hub bore completely \u2014 no oil or anti-seize on these surfaces. Slide the M bushing onto the shaft flange-end first, assemble the key and set screw finger-tight, position the sprocket or sheave, then thread in the pull-up bolts. Tighten in alternating stages to the specified 2,700 in\/lbs using a calibrated torque wrench. Always verify a visible gap remains between the hub face and the bushing flange \u2014 that gap confirms the taper is properly seated and must never be eliminated by over-tightening.<\/p>\n<\/div>\n<\/div>\n<div style=\"margin-bottom: 14px; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 12px rgba(10,37,64,0.07);\">\n<div style=\"background: #ffffff; padding: 16px 22px; border-left: 4px solid #e8a020;\">\n<p style=\"font-weight: bold; color: #0a2540; font-size: 15px; margin: 0; font-family: 'Segoe UI',Verdana,sans-serif;\">Where can UK food processing companies buy M QD bushings with metric bores at a competitive price with fast delivery to England or Scotland?<\/p>\n<\/div>\n<div style=\"background: #ffffff; padding: 16px 22px; border-top: 1px solid #e4ebf2;\">\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.78; margin: 0;\">QD-Bushings.top supplies M QD bushings in both imperial and metric bore sizes directly to UK food processing facilities, with fast despatch to all areas of England, Scotland, Wales, and Northern Ireland. Metric bores from 50mm to 115mm are covered as standard. For food contact environments, nickel-plated variants are available. Contact <a style=\"color: #e8a020; text-decoration: none; font-weight: 600;\" href=\"mailto:sales@qd-bushings.top\">sales@qd-bushings.top<\/a> for a same-day quote with volume pricing.<\/p>\n<\/div>\n<\/div>\n<div style=\"margin-bottom: 14px; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 12px rgba(10,37,64,0.07);\">\n<div style=\"background: #ffffff; padding: 16px 22px; border-left: 4px solid #e8a020;\">\n<p style=\"font-weight: bold; color: #0a2540; font-size: 15px; margin: 0; font-family: 'Segoe UI',Verdana,sans-serif;\">What is the cost difference between an M QD bushing and a plain interference-fit hub for a pump drive upgrade at a Scottish water treatment site?<\/p>\n<\/div>\n<div style=\"background: #ffffff; padding: 16px 22px; border-top: 1px solid #e4ebf2;\">\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.78; margin: 0;\">On a unit purchase basis, an M QD bushing carries a small price premium over a plain hub. On a whole-life cost basis, the QD system typically costs less. Planned maintenance labour at Scottish water sites commonly runs at 40\u201360% of the cost difference per maintenance event, recovered within the first removal cycle. No specialist tooling, no shaft regrinding, and no replacement after the hub seizes \u2014 these savings far exceed the initial price difference over a 3\u20135 year maintenance interval. Request a price comparison for your specific shaft size at <a style=\"color: #e8a020; text-decoration: none; font-weight: 600;\" href=\"mailto:sales@qd-bushings.top\">sales@qd-bushings.top<\/a>.<\/p>\n<\/div>\n<\/div>\n<div style=\"margin-bottom: 14px; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 12px rgba(10,37,64,0.07);\">\n<div style=\"background: #ffffff; padding: 16px 22px; border-left: 4px solid #e8a020;\">\n<p style=\"font-weight: bold; color: #0a2540; font-size: 15px; margin: 0; font-family: 'Segoe UI',Verdana,sans-serif;\">Which bore size within the M QD bushing range is most commonly ordered by UK conveyor drive engineers, and does it cover 80mm metric shafts?<\/p>\n<\/div>\n<div style=\"background: #ffffff; padding: 16px 22px; border-top: 1px solid #e4ebf2;\">\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.78; margin: 0;\">The 2-1\/2 inch and 3 inch imperial bores are the highest-volume M-size orders from UK conveyor engineers, corresponding to the output shafts of the medium-duty gearboxes most widely installed on British belt conveyor systems. For metric shafts, yes \u2014 80mm is a standard offering within the M QD range, alongside 75mm and 85mm on either side. These metric bores cover the output shafts of commonly imported European gearboxes used on UK production lines, which is why M-size demand from the Midlands automotive and food sectors consistently includes metric bore requests.<\/p>\n<\/div>\n<\/div>\n<div style=\"margin-bottom: 14px; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 12px rgba(10,37,64,0.07);\">\n<div style=\"background: #ffffff; padding: 16px 22px; border-left: 4px solid #e8a020;\">\n<p style=\"font-weight: bold; color: #0a2540; font-size: 15px; margin: 0; font-family: 'Segoe UI',Verdana,sans-serif;\">Can I get a custom OEM quote for M QD bushings with a double keyway and non-standard bore for a UK mining equipment manufacturer?<\/p>\n<\/div>\n<div style=\"background: #ffffff; padding: 16px 22px; border-top: 1px solid #e4ebf2;\">\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.78; margin: 0;\">Yes \u2014 OEM and ODM services for M QD bushings with non-standard bore diameters, double keyway arrangements, custom keyway dimensions, and special material grades are available with over fifteen years of factory production experience behind the offer. First-article inspection reports, material certificates, and DXF\/PDF drawing review are all part of the process. Standard lead time is 10\u201315 working days from approved drawing. Email your drawing and quantity to <a style=\"color: #e8a020; text-decoration: none; font-weight: 600;\" href=\"mailto:sales@qd-bushings.top\">sales@qd-bushings.top<\/a> for a same-day technical and commercial response.<\/p>\n<\/div>\n<\/div>\n<div style=\"margin-bottom: 0; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 12px rgba(10,37,64,0.07);\">\n<div style=\"background: #ffffff; padding: 16px 22px; border-left: 4px solid #e8a020;\">\n<p style=\"font-weight: bold; color: #0a2540; font-size: 15px; margin: 0; font-family: 'Segoe UI',Verdana,sans-serif;\">When is the right time to replace an M QD bushing during planned maintenance at a UK food or beverage production facility?<\/p>\n<\/div>\n<div style=\"background: #ffffff; padding: 16px 22px; border-top: 1px solid #e4ebf2;\">\n<p style=\"color: #4a5e72; font-size: 14px; line-height: 1.78; margin: 0;\">In food and beverage environments, industry practice among UK plant engineers is to replace M QD bushings at every scheduled sprocket or sheave renewal \u2014 the unit cost is negligible against the risk of a drive failure during a production run. Beyond schedule-based replacement, inspect bushings for corrosion-driven pitting on the taper, keyway wear that prevents full set screw re-torque to 2,700 in\/lbs, any visible cracking of the steel body, or evidence of fretting (black oxide powder) at the bore-shaft interface. Any of these conditions warrants immediate replacement regardless of elapsed service time.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 RELATED PRODUCTS \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: #ffffff; padding: 36px 20px; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box;\">\n<p style=\"font-family: 'Courier New',monospace; font-size: 10px; letter-spacing: 4px; color: #2a87cf; text-transform: uppercase; text-align: center; margin: 0 0 10px 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-605 aligncenter\" src=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-QD-Bushing-3-1-1.webp\" alt=\"QD Bushings\" width=\"1168\" height=\"880\" title=\"\" srcset=\"https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-QD-Bushing-3-1-1.webp 1168w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-QD-Bushing-3-1-1-980x738.webp 980w, https:\/\/qd-bushings.top\/wp-content\/uploads\/2026\/04\/ep-QD-Bushing-3-1-1-480x362.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1168px, 100vw\" \/><\/p>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 FOOTER CTA \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"background: linear-gradient(135deg,#0a2540 0%,#0d3a5e 50%,#083052 100%); padding: 52px 20px; text-align: center; width: 100%; max-width: 100%; min-width: 100%; box-sizing: border-box; border-top: 3px solid #e8a020;\">\n<p style=\"font-family: 'Courier New',monospace; letter-spacing: 6px; color: #e8a020; text-transform: uppercase; font-size: 10px; margin: 0 0 16px 0;\">TAKE THE NEXT STEP<\/p>\n<h2 style=\"color: #ffffff; font-family: 'Segoe UI',Verdana,sans-serif; font-size: clamp(20px,4vw,38px); margin: 0 0 16px 0; line-height: 1.22; font-weight: bold;\">Get Your M QD Bushings Sourced,<br \/>\nSpecified &amp; Delivered Across the UK<\/h2>\n<p style=\"color: #7aafd4; font-size: 15px; margin: 0 0 12px 0; line-height: 1.72;\">Imperial &amp; metric bores \u2022 Solid steel construction \u2022 OEM &amp; custom manufacturing<br \/>\n15+ years production experience behind every component we despatch<\/p>\n<p style=\"color: #3d6e8f; font-size: 13px; margin: 0 0 32px 0;\">Fast delivery to England, Scotland, Wales &amp; Northern Ireland<\/p>\n<p><a style=\"display: inline-block; background: linear-gradient(135deg,#e8a020,#c47e10); color: #ffffff; text-decoration: none; font-size: 15px; font-weight: bold; padding: 18px 54px; border-radius: 50px; box-shadow: 0 10px 32px rgba(232,160,32,0.50); letter-spacing: 2px; text-transform: uppercase; font-family: 'Courier New',monospace;\" href=\"mailto:sales@qd-bushings.top\">\u2709 REQUEST YOUR QUOTE NOW<\/a><\/p>\n<p style=\"color: #2d5070; font-size: 12px; margin: 26px 0 0 0; font-family: 'Courier New',monospace; letter-spacing: 2px;\">sales@qd-bushings.top \u00a0|\u00a0 qd-bushings.top | edit by gzl<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>M QD Bushing: solid steel, 1-15\/16\u2033\u20135\u00bd\u2033 imperial &amp; 50\u2013115mm metric bores, 4\u00b0 taper, 2,700 in\/lbs. Quick-detach hub mount for sprockets &amp; sheaves.<\/p>","protected":false},"featured_media":623,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[408],"product_tag":[],"class_list":["post-620","product","type-product","status-publish","has-post-thumbnail","product_cat-qd-bushings","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/qd-bushings.top\/fi\/wp-json\/wp\/v2\/product\/620","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qd-bushings.top\/fi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/qd-bushings.top\/fi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/qd-bushings.top\/fi\/wp-json\/wp\/v2\/comments?post=620"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qd-bushings.top\/fi\/wp-json\/wp\/v2\/media\/623"}],"wp:attachment":[{"href":"https:\/\/qd-bushings.top\/fi\/wp-json\/wp\/v2\/media?parent=620"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/qd-bushings.top\/fi\/wp-json\/wp\/v2\/product_brand?post=620"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/qd-bushings.top\/fi\/wp-json\/wp\/v2\/product_cat?post=620"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/qd-bushings.top\/fi\/wp-json\/wp\/v2\/product_tag?post=620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}