Bosch BL2155 Black Oxide Jobber Drill Bit, 7/16"
Description
Highlights:
- The speed helix design penetrates 3X faster than standard bits
- The benefits include easier drilling, reduced heat, extended drill bit life and extended cordless battery life
- Triple tempered black oxide coated bits last 50% longer than regular high speed steel and offer reduced friction between bit and workpiece
- 135° split point starts on contact with no walking or skating and no center punch is required