Nylon Washers, Mudguard, Full Washers, Flat Washers, Form A
Copper, TPE, Stainless Steel, Steel, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.2 mm, 17 mm, 5.36 mm, 4.36 mm, 6.5 mm
0.6 mm, 0.5 mm, 0.7 mm, 0.4 mm, 0.28 mm
M5, M3 (Form A), M5 (Form A), M12, M16
BS 4320G, DIN 7603A, ASME B18.8.1, DIN 125A, BS 4320B