External Tooth, Crinkle, Mudguard, Full Washers, Form A
301 Stainless Steel, TPE, Nylon, Copper, Brass
4.5 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.36 mm, 5.1 mm, 4.85 mm, 6.4 mm, 6.5 mm
8.1 mm, 0.8 mm, 1.6 mm, 2.5 mm, 0.28 mm
M24, M12, M5 (Form A), M6, M2
DIN 7980, BS 4320:1968, DIN 125A, ASME B18.21.1, BS 4320B