External Tooth, Crinkle, Full Washers, Flat Washers, Form A
Stainless Steel, Fibre, Copper, TPE, Brass
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 4.36 mm, 4.85 mm, 2.1 mm, 6.5 mm
8.1 mm, 1.1 mm, 2 mm, 0.16 mm, 0.28 mm
M16, M3 (Form A), M2, M5 (Form A), M10
DIN 6797A, DIN 127B, BS 4320, DIN 7980, BS 4320B