Internal Tooth, Mudguard, Cup, Full Washers, Form A
Stainless Steel, TPE, Nylon, Copper, Brass
7.99 mm, 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
3.2 mm, 4.85 mm, 2.1 mm, 2.25 mm, 6.5 mm
3.5 mm, 0.4 mm, 2.5 mm, 1.1 mm, 0.28 mm
M3 (Form A), M16, M20, M5 (Form A), M12
BS 4320:1968, DIN 7603, ASME B18.21.1, ASME B18.8.1, BS 4463