Lock Washer, Nylon Washers, Plain Washer, Full Washers, Form A
Fibre, Steel, TPE, Stainless Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
8.4 mm, 3 mm, 6.4 mm, 2.25 mm, 6.5 mm
2.2 mm, 3.5 mm, 0.28 mm, 0.4 mm, 0.3 mm
M10, M12, M5 (Form A), M6, M2
DIN 7980, BS 4320B, BS 4320:1968, BS 4320, DIN 7603A