External Tooth, Internal Tooth, Mudguard, Full Washers, Form A
Fibre, TPE, Copper, Brass, Stainless Steel
7.99 mm, 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
8.4 mm, 3 mm, 2.25 mm, 21 mm, 6.5 mm
0.28 mm, 0.7 mm, 8.1 mm, 2.5 mm, 1.5 mm
M3, M24, M2, M5 (Form A), M10
DIN 125A, ASME B18.22.1
ASTM F844, ASME B18.21.1, BS 4320G, ASME B18.8.1