Internal Tooth, External Tooth, Nylon Washers, Full Washers, Form A
Steel, 301 Stainless Steel, Stainless Steel, TPE, Brass
44 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 12.5 mm, 4.36 mm, 6.5 mm
0.7 mm, 5 mm, 0.16 mm, 1.8 mm, 8.1 mm
M20, M3 (Form A), M5 (Form A), M16, M2.5
BS 4320B, BS 4320:1968, ASME B18.22.1
ASTM F844, DIN 6797J, ASME B18.21.1