Mudguard, Cup, Plain Washer, Full Washers, Form A
Brass, TPE, Ceramic, Copper, Stainless Steel
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 13 mm, 2.25 mm, 4.36 mm, 6.5 mm
2.2 mm, 1.8 mm, 3.5 mm, 0.28 mm, 1.5 mm
M6, M12, M5 (Form A), M5, M16
DIN 6798J, BS 4320, ASME B18.22.1
ASTM F844, BS 4320G, BS 4320B