by Irwin
Buy new: $5.95
8 used & new from $1.20
(Visit the Best Sellers in Jobber Drill Bits list for authoritative information on this product's current rank.)
- Constructed of M-42 5 percent cobalt high speed steel for super abrasive resistance in tough metals
- Heavy duty spiral flute design produces faster chip ejection
- Shorter cutting tips reduce torque for drilling in high tensile strength materials
- 135 degree split point reduces feed pressure for easier penetration without work hardening
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