Crinkle, Internal Tooth, Cup, Full Washers, Form A
Steel, TPE, Copper, Stainless Steel, Brass
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 14 mm, 5.3 mm, 4.36 mm, 6.5 mm
0.8 mm, 1 mm, 3.5 mm, 0.3 mm, 0.28 mm
M16, M24, M12, M5 (Form A), M8
DIN 125A, ASME B18.21.1, ASME B18.8.1, BS 4320B, DIN 7603A