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Description
1/4" Step Drill with 5/32" (.162) Pilot to fit Blind Bolt 1/4" Head. The step drill is a standard twist drill which has been ground to a smaller diameter on the end. It enables the user too drill a rivet hole through the handle slab with a counterbored hole for the rivet head in a single operation. Select a drill size that is the same diameter as the rivet head and a pilot that is the same diameter as the center section of the rivet.