7/16" Cobalt Red Helix™ Drill Bit designed for Hard Metals, PVC and Wood.
- Cobalt alloy for up to 15X Life vs. Black Oxide Drill Bits
- 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™ Keeps the bit fixed within the chuck