Internal Tooth, Crinkle, Cup, Full Washers, Form A
Steel, 301 Stainless Steel, TPE, Nylon, Stainless Steel
12 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 5.36 mm, 2.25 mm, 4.36 mm, 6.5 mm
1.4 mm, 5.8 mm, 0.6 mm, 2.5 mm, 0.28 mm
M16, M20, M5 (Form A), M5, M12
DIN 7980, DIN 127B, DIN 7603, ASME B18.21.1, ASME B18.8.1