External Tooth, Mudguard, Cup, Full Washers, Form A
Fibre, TPE, Brass, Copper, Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.5 mm, 16.2 mm, 4.36 mm, 6 mm, 6.5 mm
0.4 mm, 1.2 mm, 2.5 mm, 2.2 mm, 0.28 mm
M24, M12, M5 (Form A), M16, M2
DIN 7980, DIN 125A, DIN 6797J, ASME B18.21.1, BS 4320G