Irwin 1890713 Twist Installer Drill Bits, 5/8" x 18" GiftsForSeason Tube is threaded both ends

Tube is threaded both ends making it easy to install

The telescoping drill clamp adjusts to fit both length and width of popular drill sizes including smaller bodied Impact drivers

Continuous rim

The load-rated SD screw has been tested and approved for use in many popular Simpson Strong‑Tie products

air & moisture

Irwin 1890713 Twist Installer Drill Bits, 5/8" x 18" GiftsForSeason Tube is threaded both endsConstructed from premium alloy steel with 82 degree point for fast boring, 18" 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. Highlights: Shank : . 370" Size : 5 8" x 18" 82 degree point for fast, smooth drilling in wood Tungsten carbide tip for extended