Plain Washer, Crinkle, Full Washers, Form A, Flat Washers
Brass, Steel, TPE, Ceramic, Nylon
24 mm, 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
6.4 mm, 16.2 mm, 5.36 mm, 2.25 mm, 6.5 mm
1.8 mm, 8.1 mm, 0.5 mm, 1.5 mm, 0.28 mm
M24, M5 (Form A), M2, M6, M3
DIN 6797A, BS 4320B, BS 4320G, BS 4320, ASME B18.21.1