1/64-1/2" BT40 INTEGRATED DRILL CHUCK (3701-3503)

1/64-1/2" BT40 Integrated Drill Chuck Maximum T.I.R. ≤ 0.002". Integrated design maximizes rigidity & accuracy. Integral shank is more compact than a combined drill chuck and arbor which eliminates the chuck slipping on its arbor. Keyless, self tightening design. Shipping Weight: 4 lbs