External Tooth, Internal Tooth, Cup, Full Washers, Form A
Ceramic, TPE, Steel, Copper, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 16.2 mm, 5.36 mm, 6.5 mm
3.5 mm, 8.1 mm, 1.2 mm, 2.5 mm, 1 mm
M2, M6, M5 (Form A), M12, M2.5
ASME B18.22.1 ASTM
F844, DIN 6797A, BS 4320B, BS 4320, ASME B18.21.1