Cup, Lock Washer, Crinkle, Full Washers, Form A
Steel, TPE, Ceramic, Stainless Steel, Brass
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6.48 mm, 5.3 mm, 4.85 mm, 6 mm, 6.5 mm
0.7 mm, 0.6 mm, 1.8 mm, 0.4 mm, 1.5 mm
M3, M3 (Form A), M16, M20, M5 (Form A)
DIN 127B, BS 4463, BS 4320G, ASME B18.21.1, ASME B18.8.1