Mudguard, Plain Washer, Crinkle, Full Washers, Form A
301 Stainless Steel, Stainless Steel, TPE, Brass, Steel
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
12.5 mm, 16.2 mm, 5.36 mm, 2.25 mm, 6.5 mm
8.1 mm, 0.4 mm, 1.1 mm, 2.5 mm, 0.28 mm
M2, M5, M5 (Form A), M6, M16
DIN 127B, BS 4320:1968, DIN 7603, ASME B18.21.1, BS 4320B