Spring, Lock Washer, Mudguard, Full Washers, Form A
Fibre, Steel, TPE, Brass, Stainless Steel
12.5 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.36 mm, 2.25 mm, 13 mm, 21 mm, 6.5 mm
2.2 mm, 0.6 mm, 1.8 mm, 1.6 mm, 0.28 mm
M3, M5, M24, M5 (Form A), M10
DIN 7980, DIN 6797J, BS 4320B, BS 4320:1968, BS 4463