Cup, Nylon Washers, Mudguard, Full Washers, Form A
Brass, Fibre, TPE, Ceramic, Steel
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 6.4 mm, 2.25 mm, 4.36 mm, 6.5 mm
8.1 mm, 1.2 mm, 0.8 mm, 0.16 mm, 2.5 mm
M16, M2, M12, M24, M5 (Form A)
DIN 127B, BS 4320:1968, ASME B18.8.1, DIN 7603A, BS 4320B