Cup, Lock Washer, Crinkle, Full Washers, Form A
Steel, Brass, TPE, Nylon, Stainless Steel
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 11 mm, 12.2 mm, 5.36 mm, 6.5 mm
0.3 mm, 0.6 mm, 1.8 mm, 0.4 mm, 1 mm
M10, M5 (Form A), M12, M2, M3
DIN 127B, BS 4320G, BS 4320, BS 4463, ASME B18.21.1