Cup, Spring, Mudguard, Full Washers, Form A
Fibre, Steel, TPE, Nylon, Brass
3/4", 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 13 mm, 5.36 mm, 6.5 mm
0.7 mm, 0.16 mm, 1.5 mm, 2.5 mm, 0.28 mm
M3 (Form A), M20, M3, M5 (Form A), M2.5
BS 4320:1968, DIN 7980, DIN 7603A, DIN 125A, BS 4463