Crinkle, Cup, Flat Washers, Full Washers, Form A
Steel, TPE, Copper, Brass, Stainless Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 10.5 mm, 6.4 mm, 16.2 mm, 6.5 mm
5.8 mm, 2 mm, 2.5 mm, 3.5 mm, 0.28 mm
M20, M3 (Form A), M5 (Form A), M4, M2
DIN 7603, BS 4320G, ASME B18.22.1
ASTM F844, BS 4320B, ASME B18.21.1