Spring, Cup, Mudguard, Full Washers, Form A
Steel, TPE, 301 Stainless Steel, Brass, Stainless Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 10.5 mm, 14 mm, 2.25 mm, 6.5 mm
1.4 mm, 5.8 mm, 1.8 mm, 3.5 mm, 1 mm
M16, M5 (Form A), M3, M10, M2.5
BS 4320G, BS 4463, BS 4320, DIN 7980, BS 4320B