Cup, Nylon Washers, Mudguard, Full Washers, Form A
301 Stainless Steel, TPE, Nylon, Copper, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.6 mm, 4.85 mm, 2.1 mm, 4.36 mm, 6.5 mm
1.6 mm, 1.2 mm, 1.1 mm, 2.5 mm, 2.2 mm
M3 (Form A), M12, M2, M5 (Form A), M4
BS 4320:1968, DIN 7603, DIN 6797J, ASME B18.8.1, BS 4320B