Description
Product Description
This IRWIN Unibit #1 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. Laser-marked sizes enable easy reading. The radial concave flute design helps ensure an effective use of drilling power.
Features:
- 6X Longer life vs. the competition
- M35 grade Cobalt Alloy HSS
- Radial concave flute
- Speedpoint tip
- Laser marked sizes
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