Internal Tooth, External Tooth, Plain Washer, Full Washers, Form A
Brass, TPE, Ceramic, Copper, Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.6 mm, 4.85 mm, 3.2 mm, 2.25 mm, 6.5 mm
8.1 mm, 1.2 mm, 0.8 mm, 1.1 mm, 2.5 mm
M3 (Form A), M24, M5 (Form A), M2, M3
ASME B18.22.1
ASTM F844, DIN 125A, DIN 6797J, DIN 7603A, BS 4463