Cobalt High Speed Steel Fractional Straight Shank Jobber Length Drill Bits Features:
- Constructed of M-35 5 percent cobalt high speed steel for super abrasive resistance in tough metals
- Heavy duty spiral flute design produces faster chip ejection
- Shorter cutting lips reduce torque for drilling in high tensile strength materials.
- 135-degree split point reduces feed pressure for easier penetration without work hardening
Irwin Hanson 3016228 7/16" Cobalt HSS Fractional Straight Shank Jobber Length Drill Bit 135 Degree Point 
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