Number of Teeth (Chordal Action)Nom. Pitch DiameterNom. Outer Diameter Nom. Hub Width Available Bore Sizes
inmminmminmmRound inSquare inRound mmSquare mm
10 (4.89%)6.51656.71701.538 1.5, 2.5 40, 60
12 (3.41%)7.819882031.538 1.5, 2.5 40, 60
16 (1.92%)110.326210.52671.5382.5, 3.52.560, 9060

Hardware made from 316 stainless steel.

  1. Bores are over-sized.