External Tooth, Internal Tooth, Cup, Full Washers, Form A
TPE, Stainless Steel, Vulcanised Fibre, Nylon, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 6.4 mm, 5.36 mm, 4.36 mm, 6.5 mm
0.9 mm, 0.28 mm, 8.1 mm, 1.2 mm, 0.8 mm
M6, M4, M3 (Form A), M24, M5 (Form A)
BS 4320:1968, DIN 127B, DIN 7980, ASME B18.8.1, BS 4320B