Internal Tooth, Cup, Mudguard, Full Washers, Form A
Steel, TPE, Nylon, Copper, Brass
9.09 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6 mm, 2.1 mm, 8.4 mm, 2.25 mm, 6.5 mm
0.6 mm, 1.2 mm, 0.7 mm, 8.1 mm, 2.5 mm
M3, M5 (Form A), M20, M4, M2.5
DIN 7980, BS 4320B, ASME B18.22.1 ASTM
F844, DIN 7603A, ASME B18.21.1