External Tooth, Plain Washer, Internal Tooth, Full Washers, Form A
Steel, TPE, Brass, Stainless Steel, Nylon
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 13 mm, 5.3 mm, 4.36 mm, 6.5 mm
8.1 mm, 2 mm, 0.3 mm, 1.6 mm, 2.2 mm
M3 (Form A), M16, M24, M5 (Form A), M2.5
DIN 127B, BS 4463, DIN 7980, BS 4320B, DIN 7603A