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Cobalt alloy for up to 15X Life vs. Black Oxide Drill Bits
QUADEDGE TIP designed to decrease heat build up and drill faster
135? split point for precision start no walking
ENHANCED TAPERED WEB strengthens the bits core
VARIABLE HELIX Design for rapid material extraction
3-Flat Secure-Grip helps keep the bit fixed within the the chuck
Designed for Hard Metals, PVC and Wood