External Tooth, Cup, Crinkle, Full Washers, Form A
Brass, Fibre, Vulcanised Fibre, TPE, Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 17 mm, 2.25 mm, 6.5 mm
0.6 mm, 0.5 mm, 8.1 mm, 1.2 mm, 1.6 mm
M3 (Form A), M24, M5 (Form A), M20, M10
ASME B18.22.1
ASTM F844, DIN 7603A, BS 4463, DIN 125A, ASME B18.21.1