Irwin Impact Masonry Bits 3/16-Inch X 4-Inch Size:3/16" x 4" Blue-Groove point and cutting edge

Blue-Groove point and cutting edge for faster chip removal

For Drywall Cut-Outs Around Electrical Boxes & Framing

There Are Two Web Loops To Hold Hammers

shorter cutting lips reduce torque when drilling in high tensile strength materials

Shank mounted files and rasps are tough

Irwin Impact Masonry Bits 3/16-Inch X 4-Inch Size:3/16" x 4" Blue-Groove point and cutting edgeInnovative 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