Irwin 39105 Wood Installer Drill Bit, 5/16" Soft Inner conductors are type THHN

Inner conductors are type THHN

Black nylon wheels move in opposite directions

Requires one 1-inch (25

2-5/8" stroke length

Protective coating is ideal for woodwork

Irwin 39105 Wood Installer Drill Bit, 5/16" Soft Inner conductors are type THHNHighlights: Diameter: 5 16" Shank Size: 0. 285" Overall Length: 18" Hole in flute aids pulling wire. Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lath Special 82 degree point for fast boring Wire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors Ideal for installation of small wire for telephones, cable, TV, computers, and security systems Pouched