Cup, Mudguard, Nylon Washers, Full Washers, Form A
Fibre, TPE, Ceramic, Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 3.2 mm, 16.2 mm, 2.25 mm, 6.5 mm
0.4 mm, 3 mm, 1.6 mm, 8.1 mm, 2.2 mm
M3 (Form A), M2, M12, M5 (Form A), M4
BS 4320, DIN 6797J, ASME B18.8.1, BS 4320B, ASME B18.21.1