Irwin straight shank rotary percussion masonry drill bit designed for use with hammer drills equipped with a 3-jaw chuck. Features a carbide tip for drilling into concrete, brick, block, and other masonry materials.

• Chrome vanadium spring steel shaft for durability
• Carbide tip made to ANSI specifications
• Straight round shank fits hammer drills with 3-jaw chuck
• 2-cutter head for clean, accurate holes
• Patented flute design speeds dust removal
• Shot-peened finish increases surface durability
• Usable length: 3"
• Packed in protective tube