Meet the Irwin Turbomax 23/64 in. x 4-7/8 in. High Speed Steel Drill Bit with a Straight Shank—engineered for steady, dependable metal drilling from the first pass to the last. This single-piece bit, part of the Turbomax family, is ready to tackle rivets, brackets, and sheet metal with consistency you can rely on.
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Material: High Speed Steel (HSS) for durable performance when drilling through metal, aluminum, and other solid materials.
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Drill size: 23/64 in diameter, delivering precise holes for common fastener applications.
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Length: Overall length 4-7/8 in with a flute length of 3-1/2 in, providing a balanced reach and adequate chip clearance for deeper holes.
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Shank type: Straight shank for secure, compatible engagement with most chucks and drill presses.
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Packaging: Carded packaging, sold as a single drill bit for easy replacement or targeted use.
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Brand & line: Irwin Turbomax—trusted for metalworking tasks where reliability matters.
Why choose this drill bit for your projects
When you need a dependable hole every time, this 23/64 in. Turbomax bit delivers. The straight shank design ensures compatibility with a wide range of drills, from handheld units to stationary presses, while the HSS construction stands up to repeated drilling in metal and other solids. Its length and flute geometry are suited for deeper holes without excessive wanding or chatter, making it a practical choice for fabrication, automotive repairs, and DIY metal projects.
Practical use cases
- Creating precise mounting holes in metal brackets, frames, and brackets for hardware installation.
- Drilling through aluminum components and other soft metals where clean edges are important.
- Home shop projects that require dependable, repeatable hole sizes without bit swaps.
Tips for best results
- Use cutting oil or lubrication when drilling metal to reduce heat and extend bit life.
- Secure the workpiece firmly and start with a light touch to establish a pilot path, then gradually increase feed.
- Maintain a straight, perpendicular drill alignment to ensure hole accuracy and prevent bit deflection.
