Cup, Mudguard, Flat Washers, Full Washers, Form A
Neoprene, Fibre, Steel, TPE, Stainless Steel
9.09 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.6 mm, 4.85 mm, 10.5 mm, 12.5 mm, 6.5 mm
5.8 mm, 0.6 mm, 0.4 mm, 1.8 mm, 0.16 mm
M20, M10, M2, M5 (Form A), M2.5
BS 4320B, BS 4320, DIN 125A, ASME B18.8.1, ASME B18.22.1
ASTM F844