Description
3/32″, 7/64″ and 1/8″ pilot with 3/8″ counterbore; 9/64″ pilot with 1/2″ counterbore 7/64″ and 9/64″ self-centering hinge bits include replaceable HSS pilot bits Includes precision milled 3″ long driver bit with hardened #2 Square Drive Insert Engages Centrotec chuck for extremely close axial alignment of bit and output shaft of drill Reduced run-out and maximum torque transfer between drill and bit
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