External Tooth, Crinkle, Lock Washer, Full Washers, Form A
Steel, 301 Stainless Steel, Copper, TPE, Stainless Steel
5.6 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
12.2 mm, 2.2 mm, 5.3 mm, 2.25 mm, 6.5 mm
0.6 mm, 0.4 mm, 1.8 mm, 1.1 mm, 2.5 mm
M3 (Form A), M5, M24, M16, M5 (Form A)
BS 4320B, BS 4320:1968, BS 4320, ASME B18.8.1, ASME B18.21.1