Irwin Speedbor 7/16 in. x 6 in. Carbon Steel Wood Boring Bit with Quick-Change Hex Shank is engineered for woodworkers who demand fast, reliable holes without compromising quality. With a 7/16 in cutting diameter and a 6 in overall length, this bit is built to handle mid-size holes in a variety of wood projects, from framing to cabinetry.
Crafted from durable carbon steel, this Speedbor bit pairs a robust cutting edge with a Quick-Change Hex Shank for rapid bit swaps. The 1/4 in shank diameter fits common quick-change chucks, letting you move from task to task with minimal downtime while maintaining consistent performance through repeated use. The flute length of 1-3/4 in provides versatility for deeper holes without needing a longer bit.
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Drill Size: 7/16 in
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Overall Length: 6 in
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Flute Length: 1-3/4 in
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Shank Diameter: 1/4 in
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Shank Type: Quick-Change Hex Shank
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Material: Carbon Steel
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Number in Package: 1
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Product Type: Wood Boring Bit
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Brand: Irwin Speedbor
Why choose this bit? It delivers practical, time-saving benefits on real jobs. The quick-change hex shank minimizes downtime when you’re switching holes or moving between tasks, so you can maintain a steady workflow on the job site or in the shop. The carbon steel construction stands up to demanding wood drilling, providing dependable holes across a range of projects—from assembling fresh framing to preparing hardware for cabinetry.
Ideal use cases include:
- Drilling pilot and clearance holes in softwood and hardwood for screws, dowels, or hardware
- Framing, fencing, and deck projects where quick bit changes speed up progress
- Cabinetry and furniture work that requires clean, precise holes with a reliable bit
Practical tips for best results: start with a steady, moderate speed to prevent tear-out, apply even pressure as the bit bites, and periodically clear chips to maintain cutting efficiency. When the job calls for quick transitions between holes, this 7/16 in Wood Boring Bit from Irwin Speedbor ensures you stay productive without sacrificing hole quality.