Irwin 1870547 Impact Masonry Drill Bit 1/4 x 6

Highlights: Diameter: 1/4 ; Overall Length: 6 ; Flute Length: 3-3/4 ; Innovative Pressed Carbide Tip With Aggressive Cutting Angles For Faster Drilling And Longer Bit Life; One-Piece Construction Withstands Higher Torque Loads Than Standard Quick-Change Bits; Black Oxide Finish Resists Corrosion And Increases Life Of Bit; 1/4 Quick-Change Shank Is Designed To Work With Impact Drivers And Reduces Slipping In Standard Drill Chucks;