External Tooth, Cup, Internal Tooth, Full Washers, Form A
Fibre, Copper, Steel, TPE, Brass
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 10 mm, 11.88 mm
2.6 mm, 4.85 mm, 21 mm, 2.25 mm, 6.5 mm
0.28 mm, 8.1 mm, 2 mm, 1.1 mm, 0.16 mm
M2, M5 (Form A), M6, M12, M3
BS 4320:1968, DIN 6798J, DIN 125A, BS 4320B, BS 4320