Tapered/Countersink Set - 7pc

These titanium tapered drill bits are designed to drill pilot holes for wood screws resulting in greater strength in screwed joints. This set contains bits to fit the most popular wood screws (sizes #5, #6, #7, #8, #9, #10 and #12) plus stop collars and countersink counterbores to match. Includes an allen wrench for the collars.