Rockler/Insty-Drive Self-Centering Bits
The Rockler Insty-Drive 3-Pc. Self-Centering Bit Set includes #4, #6 and #8 self-centering HSS drill bits that conveniently fit in heavy-duty nylon storage pouch. The Self-centering bits feature a hex collar that allows for use with the Rockler/Insty-Drive exclusive Insty-Driver. You’ll get perfectly centered pilot holes for accurate hinge and hardware installation every time! Individual bits also sold separately. For larger architectural hardware, a #10 bit is available separately.