Internal Tooth, External Tooth, Nylon Washers, Full Washers, Form A
Brass, Fibre, Stainless Steel, Steel, TPE
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
16.2 mm, 5.36 mm, 2.25 mm, 4.36 mm, 6.5 mm
0.16 mm, 0.4 mm, 1.6 mm, 0.8 mm, 0.28 mm
M5, M3 (Form A), M5 (Form A), M16, M20
DIN 127B, DIN 7603, DIN 7980, ASME B18.8.1, DIN 7603A