Internal Tooth, External Tooth, Cup, Full Washers, Form A
301 Stainless Steel, TPE, Stainless Steel, Steel, Copper
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 5.3 mm, 2.25 mm, 4.36 mm, 6.5 mm
0.4 mm, 1.8 mm, 0.28 mm, 8.1 mm, 1.6 mm
M2, M5 (Form A), M6, M16, M2.5
DIN 6797J, BS 4320B, BS 4320, DIN 127B, DIN 7603A