Irwin 1890708 Straight Shank Installer Drill Bit for Wood, 18-Inch x 5/16-Inch

Irwin 1890708 Straight Shank Installer Drill Bit for Wood, 18-Inch x 5/16-Inch

The Irwin 1890708 Straight Shank Installer Drill Bit for Wood is built for electricians and installers who need to bore clean holes and pull wire through studs, joists, walls, ceilings, and floors in a single step. Sized at 18-Inch in overall length and 5/16-Inch in diameter, this bit features an 82° point for fast, smooth drilling in wood, along with a hole in the flute that makes pulling wire through the finished hole quick and convenient. Machined from premium high carbon steel and fitted with a 3-flatted straight shank, this installer bit is designed for reliable, extended service life on demanding wood-boring jobs.

Key Features

• Trade Size: 18-Inch overall length and 5/16-Inch diameter for reaching through deep stud and joist cavities.
• Durable Construction: Premium high carbon steel construction delivers extended drilling life in wood.
• 82° Drill Point: Provides fast, smooth drilling performance in wood framing and other wood substrates.
• Wire-Pull Hole: A hole in the flute allows wire to be pulled through walls, ceilings, and floors immediately after drilling.
• 3-Flatted Straight Shank: Prevents slipping in the drill chuck and includes an additional hole for wire pulling.
• Straight Shank Design: Compatible with standard drill chucks for use with corded and cordless drills.

Technical Specifications

• Warranty: NLW
• Claims Needed: No
• Net Lit-Ion Y/N: No
• Battery Included: No
• Country of Origin: Brazil
• Power Source: NON-ENERGY USING
• Packaging: 10 ea

Typical Applications

• Running Electrical Wire Through Wood Studs and Joists
• Residential and Commercial Rough-In Wiring
• Low-Voltage and Data Cable Installation
• New Construction and Remodeling Projects
• General Wood Boring for Trade Professionals

Why Irwin?

Irwin installer bits are machined from premium high carbon steel and finished with a 3-flatted straight shank designed to resist slipping in the chuck, giving installers a dependable tool for repeated wood-boring and wire-pulling tasks. The integrated wire-pull hole in the flute streamlines the process of running wire through framing, saving time on the jobsite. With consistent 82° point geometry for fast, smooth cuts and a shank built to hold up in the chuck, Irwin delivers a tool built for the demands of professional electrical and low-voltage installation work.