External Tooth, Cup, Flat Washers, Full Washers, Form A
Fibre, 301 Stainless Steel, TPE, Copper, Brass
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6.48 mm, 4.85 mm, 17 mm, 5.36 mm, 6.5 mm
8.1 mm, 1.2 mm, 1.5 mm, 2.5 mm, 1.6 mm
M3 (Form A), M20, M24, M2, M5 (Form A)
BS 4320B, BS 4320:1968, ASME B18.21.1, ASME B18.22.1
ASTM F844, DIN 6797J