Mudguard, Cup, Full Washers, Form A, Flat Washers
Steel, Stainless Steel, TPE, Ceramic, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 13 mm, 5.36 mm, 2.25 mm, 6.5 mm
1.8 mm, 0.28 mm, 8.1 mm, 0.5 mm, 1.6 mm
M3, M24, M5, M5 (Form A), M10
BS 4463, DIN 6797J, ASME B18.8.1, BS 4320G, DIN 7980