What Is a Tapered Drill Bit? - InfoBloom
Why use a tapered drill bit? Uses for Taper Drill Bits Taper Point Drills were engineered to be used to pre drill the pilot holes for the shank and threaded portion of a wood screw. The object, of course, is to use the proper size drills and drill to the proper depth to insure the best holding power from the wood screw.
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