Irwin Speedbor 13/16 in. x 6 in. Wood Boring Bit with Quick-Change Hex Shank is a purpose-built solution for fast, reliable wood drilling. Crafted from durable carbon steel and engineered for continuous use, this bit helps you create clean, precise holes with less effort and downtime on every project.
-
Large-diameter wood drilling at 13/16 in creates substantial holes for wiring, dowels, or pass-throughs in framing projects and carpentry work.
-
6 in overall length with a 2-1/2 in flute delivers deep reach and efficient chip removal, helping you drill deeper without binding or clogging.
-
Quick-Change hex shank (1/4 in) enables rapid bit swaps in compatible chucks and holders, reducing downtime and keeping you moving on the job site.
-
Carbon steel construction provides rugged durability for demanding wood drilling tasks, resisting wear and delivering consistent performance over time.
-
Trusted Speedbor design from Irwin, ready for a range of woodworking applications—from framing and rough-ins to hobby projects that require sizable holes.
Use cases and practical tips
Designed for serious woodwork, this bit excels when you need a precise, large-diameter hole quickly. Ideal scenarios include running electrical conduit through studs, creating openings for plumbing routes, or installing hardware and dowels in framing and cabinetry projects. To maximize results:
- Secure the workpiece firmly and mark the hole center to prevent drift.
- Start at a slow speed to establish a clean entry and reduce wandering, then increase to a steady feed.
- Periodically back out to clear chips and maintain smooth cutting action.
- Ensure your drill or driver is compatible with a 1/4 in hex shank and that the bit is perpendicular to the work surface for a true hole.
Who benefits most
Carpenters, DIY enthusiasts, electricians, and general contractors who frequently drill large-diameter holes in wood will appreciate the combination of depth, durability, and rapid bit changes offered by this Irwin Speedbor bit. It’s a dependable choice for projects that demand clean, accurate holes with fewer tool changes and downtime.
Why choose this over generic alternatives
The Speedbor line is engineered for consistently faster cutting and chip removal in wood, backed by Irwin’s reputation for durable, reliable bits. The 6-inch length and 2-1/2-inch flute are tuned to deliver balance between reach and control, while the Quick-Change hex shank minimizes setup time. For projects where speed, precision, and long-term durability matter, this bit stands out as a practical, go-to option.
