Plain Washer, Mudguard, Crinkle, Full Washers, Form A
Fibre, TPE, Ceramic, Copper, Stainless Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.6 mm, 4.85 mm, 2.25 mm, 8 mm, 6.5 mm
0.6 mm, 0.4 mm, 1.1 mm, 0.8 mm, 0.28 mm
M3 (Form A), M20, M12, M16, M5 (Form A)
DIN 7980, ASME B18.21.1, BS 4320, DIN 125A, BS 4320B