Mudguard, Nylon Washers, Plain Washer, Full Washers, Form A
Fibre, Steel, Stainless Steel, TPE, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 4.85 mm, 17 mm, 5.36 mm, 6.5 mm
1.2 mm, 0.4 mm, 1.5 mm, 2.5 mm, 0.16 mm
M8, M3 (Form A), M5 (Form A), M12, M3
ASME B18.8.1, BS 4463, ASME B18.21.1, ASME B18.22.1
ASTM F844, BS 4320B