Mudguard, Plain Washer, Crinkle, Full Washers, Form A
Steel, Brass, Ceramic, TPE, Stainless Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3 mm, 5.36 mm, 2.25 mm, 17 mm, 6.5 mm
0.7 mm, 0.8 mm, 1.2 mm, 0.5 mm, 2.5 mm
M10, M24, M5 (Form A), M3, M6
DIN 6797J, ASME B18.22.1
ASTM F844, DIN 127B, BS 4320G, BS 4320B