The Irwin 5/8 to 1-3/4 in. x 5-1/2 in. L High Speed Steel Adjustable Wood Boring Bit with a 6-Flat Shank is your go-to tool for quick, versatile drilling in wood. Built to cover a wide range of hole sizes from 5/8 inch up to 1-3/4 inch, this bit lets you size your boring in one smooth motion without swapping bits mid-project. Its durable high-speed steel construction stands up to daily use, delivering steady performance on softwoods and hardwoods alike. What sets this bit apart
- Adjustable bore range: Precisely dial in hole sizes from 5/8" to 1-3/4" to match hardware, dowels, or pass-through openings without changing bits.
- Robust material: High Speed Steel provides excellent edge retention and heat resistance, helping maintain a clean, accurate cut across multiple holes.
- Secure, slip-resistant shank: 7/16" shank diameter with a 6-flat design improves grip in the drill chuck and reduces the chance of slipping during aggressive cuts.
- Practical length and reach: At 5-1/2 inches long, you get comfortable reach for mid- to deep-pocket drilling while maintaining control and stability.
- Packaged for convenience: Carded packaging keeps this single bit organized and ready for quick retail display or onsite use.
- Trusted brand: Irwin’s engineering and manufacturing heritage translate into reliable performance you can count on project after project. Ideal uses and scenarios
- Cabinet making and furniture building: Create precisely-sized holes for adjustable shelf pins, drawer hardware, or dowels without juggling multiple bits.
- General woodworking: Tackle a variety of hole sizes in softwood or hardwood panels, plywood, or veneered substrates with one versatile tool.
- DIY and hobby projects: Perfect for hobbyists who value speed and flexibility—adjust the bore size on the fly as your project evolves.
- Quick iterations: When prototyping or building prototypes, reduce downtime by avoiding frequent bit changes while achieving consistent results. Why this matters for your shop or toolbox
- Time savings: The broad adjustable range eliminates the need to switch bits for different hole diameters, speeding up assemblies and reducing tool clutter.
- Consistent results: High-speed steel and a stable 6-flat shank contribute to cleaner cuts and repeatable hole sizes, helping hinges, hardware, and dowels fit precisely.
- Longevity and value: Durable construction earns long-term reliability, making it a worthy addition to professional kits and serious DIY setups. Specifications at a glance
- Brand: Irwin
- Product type: Wood boring bit
- Material: High Speed Steel
- Shank diameter: 7/16" with 6-flat shank
- Overall length: 5-1/2"
- Drill size range: 5/8" to 1-3/4"
- Packaging: Carded
- Quantity in package: 1 Add this Irwin adjustable wood boring bit to your arsenal and experience the convenience of one bit that covers a wide range of hole sizes, delivers solid performance, and keeps your workflow steady from start to finish.
