Details
Triumph® ThunderBit® Heavy-Duty T17HD Metal Index Jobber Drill Bit Set
- Unique spiral flute design improves chip ejection and coolant flow to the point
- The heavy-duty core guarantees increased strength and reduced breakage
- 135° self-centering split point prevents “walking" and provides quick penetration
- Friction-reducting black & bronze oxide surface treatments for higher drilling speeds
- Includes: 1/16" - 1/2" Jobber length drill bits