External Tooth, Crinkle, Tap Washer, Full Washers, Form A
Steel, 301 Stainless Steel, Stainless Steel, TPE, Copper
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 3.2 mm, 2.1 mm, 5.36 mm, 6.5 mm
5.8 mm, 2.5 mm, 0.6 mm, 1.8 mm, 0.28 mm
BS 4320B, DIN 127B, DIN 6797J, ASME B18.21.1, BS 4320