Internal Tooth, External Tooth, Cup, Full Washers, Form A
Brass, TPE, Vulcanised Fibre, Steel, Copper
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
6.4 mm, 2.25 mm, 21 mm, 4.36 mm, 6.5 mm
1.2 mm, 3.5 mm, 0.6 mm, 1.1 mm, 0.28 mm
M20, M10, M3 (Form A), M5 (Form A), M8
DIN 7980, DIN 127B, DIN 6797J, BS 4320G, BS 4320