Irwin Unibit 15101ZR 1/8 in. - 1/2 in. Unibit Fractional Titanium Nitride Coated Step Drill BitIrwin Unibit Model: iutn15101
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Product Features & specs :
Irwin Unibit 15101ZR 1/8 in. - 1/2 in. Unibit Fractional Titanium Nitride Coated Step Drill Bit
- Titanium Nitride finish causes less friction which increases speed and increases product life by 6X.
- New SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching
- Single-fluted cutting edge assures true round holes, and allows greater control with less vibration