Crinkle, Cup, Lock Washer, Full Washers, Form A
Fibre, Brass, Stainless Steel, TPE, Steel
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6.4 mm, 12.2 mm, 17 mm, 4.36 mm, 6.5 mm
1.4 mm, 5.8 mm, 1.5 mm, 1.6 mm, 0.28 mm
M24, M5 (Form A), M12, M6, M2
DIN 6797A, DIN 7603A, BS 4463, ASME B18.21.1, BS 4320B