Meet the Irwin 7/8 - 3 in. x 6-1/2 in. L High Speed Steel Wood Boring Bit with a 6-Flat Shank — built for clean, precise holes in wood with extended tool life.
Designed for woodworkers who demand consistent results, this bit uses high-speed steel to resist heat and stay sharper longer, delivering smooth, accurate holes in softwood and hardwood alike.
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Drill size range: 7/8" to 3" holes
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Overall length: 6-1/2"
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Shank diameter: 7/16"
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Shank type: 6-Flat Shank for reduced slippage
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Material: High Speed Steel
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Package: Carded (1 piece)
How it helps your projects:
- Perfect for woodworking tasks that require larger-diameter holes, such as running cables, installing dowels, or crafting joints with clearances.
- The 6-flat shank locks into your drill chuck with minimal wobble, keeping your bit aligned and your holes true even under higher feed rates.
- Versatile across softwoods and hardwoods when used with appropriate drilling speed and light lubrication.
Why choose Irwin for this bit?
- Trusted brand known for durable, dependable woodworking tools.
- 6-Flat Shank design minimizes bit slip and provides consistent bite, reducing rework.
- Made from high-speed steel for better heat resistance during extended drilling sessions.
Tips for best results:
- Secure the workpiece with clamps and drill at a steady pace to avoid tear-out.
- Start with a pilot hole if working in dense hardwoods to guide the large-diameter bit.
- Use a light amount of drilling oil or wax to reduce friction and extend bit life.