0-1/2" NMTB #30 INTEGRATED DRILL CHUCK (3701-3001)

0-1/2" NMTB #30 Integrated Drill Chuck T.I.R. is ≤ .0022". Integrated design maximizes rigidity & accuracy. Keyless, self tightening design. Integral shank is more compact than a combined drill chuck and arbor and eliminates the chuck slipping on its arbor. Drawbar end thread is 1/2" - 13 Shipping Weight: 3.1 lbs