TRIUMPH TWIST DRILL ThunderBit® Heavy-Duty T17HD+ Metal Index Jobber Drill Bit Set, 29 Pieces, High Speed Steel
Manufacturer: TRIUMPH TWIST DRILL
Product #: 011510
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- 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
