Internal Tooth, External Tooth, Cup, Full Washers, Form A
301 Stainless Steel, TPE, Steel, Copper, Stainless Steel
3/4" X 3" X 1/4", 15.5 mm, 12 mm, 6.9 mm, 11.88 mm
14 mm, 5.36 mm, 13 mm, 21 mm, 6.5 mm
8.1 mm, 0.5 mm, 0.3 mm, 2.2 mm, 0.28 mm
M24, M5 (Form A), M6, M16, M10
DIN 7603A, BS 4320:1968, ASME B18.8.1, BS 4320G, BS 4320B