Internal Tooth, External Tooth, Cup, Full Washers, Form A
Brass, Copper, TPE, Nylon, Stainless Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 2.2 mm, 2.25 mm, 4.36 mm, 6.5 mm
0.7 mm, 0.6 mm, 1.2 mm, 1.5 mm, 1.1 mm
M10, M24, M5 (Form A), M8, M6
DIN 6797A, BS 4320B, BS 4320:1968, DIN 6797J, BS 4463