External Tooth, Nylon Washers, Cup, Full Washers, Form A
Steel, TPE, Brass, Stainless Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 8.4 mm, 5.36 mm, 6.5 mm
3.5 mm, 0.7 mm, 1.5 mm, 2.5 mm, 2.2 mm
M24, M12, M5 (Form A), M5, M10
DIN 6797J, ASTM F436, DIN 127B, ASME B18.21.1, BS 4320B