Nylon Washers, Lock Washer, Mudguard, Full Washers, Form A
301 Stainless Steel, Ceramic, Vulcanised Fibre, TPE, Copper
50 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 17 mm, 6.4 mm, 4.36 mm, 6.5 mm
0.28 mm, 0.6 mm, 1.5 mm, 1 mm, 0.16 mm
M12, M5 (Form A), M4, M3, M2
BS 4320B, DIN 127B, BS 4463, DIN 6797J, ASME B18.8.1