Internal Tooth, External Tooth, Cup, Full Washers, Form A
Fibre, Steel, TPE, Stainless Steel, Copper
7.99 mm, 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
10.5 mm, 13 mm, 2.25 mm, 4.36 mm, 6.5 mm
0.4 mm, 3.5 mm, 0.28 mm, 0.7 mm, 8.1 mm
M12, M16, M5 (Form A), M10, M8
BS 4320B, BS 4320:1968, DIN 6798J, ASME B18.8.1, DIN 125A