Lock Washer, Mudguard, Cup, Full Washers, Form A
Brass, 301 Stainless Steel, TPE, Stainless Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 5.36 mm, 2.25 mm, 21 mm, 6.5 mm
3.5 mm, 1 mm, 0.6 mm, 0.16 mm, 0.28 mm
M3 (Form A), M5, M24, M5 (Form A), M2.5
DIN 127B, DIN 7980, BS 4320B, BS 4320:1968, ASME B18.8.1