Crinkle, Mudguard, Cup, Full Washers, Form A
Steel, Brass, Stainless Steel, Copper, TPE
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 5.36 mm, 2.25 mm, 4.36 mm, 6.5 mm
8.1 mm, 1 mm, 3.5 mm, 2.2 mm, 0.28 mm
M3 (Form A), M6, M3, M5 (Form A), M2
ASME B18.21.1, BS 4320G, DIN 6797J, BS 4320, DIN 125A