Use the Irwin 1890710 18" bit for drilling through wood and then pulling wire through walls, ceilings and floors with the flute's hole. The straight shank wood installer bit features an 82˚ point for fast, smooth drilling in wood. They are made from premium high carbon steel for extended drilling life in wood.
- Overall length 18"
- 3-flatted shank prevents slipping in drill chuck
- Bit has hole in tip for wire pulling
- 82 deg. point for fast, smooth drilling in wood