Irwin 1890707 Installer Bit, 1/4 in Dia, 18 in OAL, Spiral Flute, 1-Flute, 0.23 in Dia Shank, Cylinder Shank

Constructed from premium alloy steel with 82 deg point for fast boring, 18 in length and wire hole at the tip of the bit makes it easy to pull wire through in applications such as walls, ceilings and floors in a variety of materials for installation of small wire for telephones, cable, TV, computers and security systems.