Irwin Cobalt Alloy High Speed Steel Fractional Straight Shank Jobber Length Drill Bits 1/2-Inch Size:1/2" upgraded multi-grind heads deliver up

upgraded multi-grind heads deliver up to 85% faster drilling in metal than standard bits

This powerful cleaner and degreaser is EPA Safer Choice Certified

Gas mate ii

Laser etched scale in both SAE Standard and Metric sizes allows easy identification

Irwin Cobalt Alloy High Speed Steel Fractional Straight Shank Jobber Length Drill Bits 1/2-Inch Size:1/2" upgraded multi-grind heads deliver upConstructed of M 35 5 percent cobalt alloy 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