Crinkle, Plain Washer, Lock Washer, Full Washers, Form A
Fibre, Brass, Steel, TPE, Copper
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.2 mm, 5.3 mm, 5.36 mm, 13 mm, 6.5 mm
5.8 mm, 0.7 mm, 1.1 mm, 2.5 mm, 1.5 mm
M3, M24, M16, M5 (Form A), M2
DIN 6797A, BS 4320:1968, BS 4320G, ASME B18.21.1, BS 4320B