Mudguard, Cup, Plain Washer, Full Washers, Form A
Ceramic, Stainless Steel, TPE, Steel, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.2 mm, 14 mm, 5.3 mm, 4.36 mm, 6.5 mm
0.5 mm, 8.1 mm, 1.1 mm, 1.6 mm, 0.8 mm
M5, M24, M16, M5 (Form A), M12
BS 4320, DIN 6798J, DIN 7980, BS 4320B, DIN 125A