Plain Washer, Mudguard, Full Washers, Flat Washers, Form A
Steel, Copper, Ceramic, TPE, Nylon
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
4.85 mm, 12.5 mm, 17 mm, 21 mm, 6.5 mm
0.5 mm, 0.3 mm, 1.8 mm, 0.6 mm, 1.1 mm
M3 (Form A), M24, M5 (Form A), M6, M3
ASME B18.22.1
ASTM F844, ASME B18.21.1, BS 4320B, BS 4320, DIN 125A