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

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Constructed from premium alloy steel with 82 deg point for fast boring, 18 in L 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. Hole in flute for easy wire pulling through walls, ceilings and floors Three flatted shank prevents slipping in drill chuck and includes hole for wire pulling Show more