External Tooth, Crinkle, Lock Washer, Full Washers, Form A
Steel, Ceramic, TPE, Copper, Stainless Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 4.85 mm, 12.2 mm, 2.25 mm, 6.5 mm
0.16 mm, 1.8 mm, 8.1 mm, 2.5 mm, 1.5 mm
M2.5, M3 (Form A), M5 (Form A), M16, M6
BS 4320:1968, BS 4320G, DIN 6797J, ASME B18.21.1, DIN 7603A