DRILL BIT JOBBER COBALT RED HELIX 4.2MM MILWAUKEE
Category:
COBALT METRIC
- 135° Split Point Tip - Drill bit starts engaging the material on contact for fast starts. Drill bit does not walk across material.
- Chip Breaker™ - Splits up the size of the material from the cutting edge. Cools the material faster by breaking it into small pieces.
- Cobalt Alloy Construction - Keeps the drill bit from overheating, increasing durability in hard metal. 10x the life compared to black oxide drill bits.
- Secure Grip™ - Prevents bit from slipping in chuck
- Variable Helix™ - Provides a solution to cutting vs clearing material removal problem. Allows for fast and efficient material ejection to reduce heat.