Internal Tooth, External Tooth, Mudguard, Full Washers, Form A
A2/304 Stainless Steel, Brass, Fibre, 301 Stainless Steel, TPE
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 13 mm, 3.2 mm, 2.2 mm, 6.5 mm
0.9 mm, 1.8 mm, 0.28 mm, 0.6 mm, 1.1 mm
M16, M10, M5 (Form A), M2, M12
DIN 7980, BS 4320:1968, BS 4320, ASME B18.8.1, BS 4320B