Diablo 5/16 In. x 18 In. Installer Bit

Ultra-sharp tip for fast straight holes in clean wood or stacked lumber Black oxide coated flutes for fast chip removal 3-Flat Shank eliminates spinning in drill chucks Small hole in flute for easily pulling wires and cables through walls, ceilings and floors Extended length for access in hard to reach areas Maximum performance in cordless and corded drill drivers