Internal Tooth, Lock Washer, Crinkle, Full Washers, Form A
Steel, Copper, TPE, Stainless Steel, Brass
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
12.5 mm, 16.2 mm, 2.25 mm, 4.36 mm, 6.5 mm
8.1 mm, 1.5 mm, 3.5 mm, 2.5 mm, 0.28 mm
M5 (Form A), M6, M4, M2, M3
DIN 9021, BS 4320B, DIN 127B, BS 4320, ASME B18.21.1