Internal Tooth, Crinkle, Lock Washer, Full Washers, Form A
301 Stainless Steel, TPE, Stainless Steel, Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 12.5 mm, 2.25 mm, 13 mm, 6.5 mm
0.5 mm, 0.8 mm, 1 mm, 2.2 mm, 0.28 mm
M16, M3, M12, M5 (Form A), M2
DIN 7980, BS 4320B, BS 4320, DIN 6797J, DIN 7603A