Cup, Nylon Washers, Mudguard, Full Washers, Form A
301 Stainless Steel, Copper, TPE, Nylon, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 10.5 mm, 8.4 mm, 5.36 mm, 6.5 mm
5.8 mm, 0.3 mm, 0.28 mm, 8.1 mm, 3.5 mm
M24, M5 (Form A), M5, M4, M6
DIN 6797A, BS 4320:1968, DIN 7980, BS 4320B, BS 4463