Vertex 1/8-5/8″ Clamping Capacity R8 Integrated Keyless Drill Chuck ~ Integrated design maximizes rigidity & accuracy. ~ Integral shank is more compact than a combined drill chuck and arbor and eliminates the chuck slipping on its arbor. ~ Maximum T.I.R. does not exceed .002″. ~ Keyless, self tightening design. ~ Drawbar end thread is 7/16″ -20. ~ Vertex # INT16-R8. Integrated design maximizes rigidity & accuracy. Integral shank is more compact than a combined drill chuck and arbor and eliminates the chuck slipping on its arbor. Maximum T.I.R. does not exceed .002″. Keyless, self tightening design. Drawbar end thread is 7/16″ -20.
