External Tooth, Cup, Mudguard, Full Washers, Form A
Ceramic, TPE, Stainless Steel, Steel, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 17 mm, 16.2 mm, 2.25 mm, 6.5 mm
0.28 mm, 1.6 mm, 1.2 mm, 0.5 mm, 0.8 mm
M12, M24, M5 (Form A), M20, M8
BS 4463, DIN 6797J, ASME B18.8.1, BS 4320G, DIN 7603A