IRWIN Straight Shank Carbide Tip Installer Bits feature an Tungsten carbide tip for extended life when drilling in brick, block and mortar joints. These bits are made with a hole in the flute for easy wire pulling through walls, ceilings and floors. They have a 3-flatted shank to prevent slipping in drill chucks and the shank also includes a hole for wire pulling. Plus, they are made from premium high carbon steel for extended drilling life in tough materials.
IRWIN Straight Shank Carbide Tip Installer Bits feature an Tungsten carbide tip for extended life when drilling in brick, block and mortar joints. These bits are made with a hole in the flute for easy wire pulling through walls, ceilings and floors. They have a 3-flatted shank to prevent slipping in drill chucks and the shank also includes a hole for wire pulling. Plus, they are made from premium high carbon steel for extended drilling life in tough materials.