Lock Washer, Plain Washer, Crinkle, Full Washers, Form A
Brass, Stainless Steel, Ceramic, TPE, Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.25 mm, 5.1 mm, 8.4 mm, 4.85 mm, 6.5 mm
1.8 mm, 3.5 mm, 8.1 mm, 1.6 mm, 0.28 mm
M3 (Form A), M3, M5 (Form A), M12, M2
DIN 6798J, DIN 127B, ASME B18.21.1, ASME B18.22.1
ASTM F844, BS 4320B