The Irwin Turbomax 19/64 in. x 4-3/8 in. L High Speed Steel Drill Bit with Straight Shank is a compact, reliable tool built to deliver clean, precise holes across a range of materials. Designed for steady performance in everyday workshop tasks, this bit combines durable construction with practical, user-friendly features.
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Drill size: 19/64 in
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Overall length: 4-3/8 in
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Flute length: 3-1/16 in
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Material: High Speed Steel (HSS)
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Shank type: Straight shank
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Packaging type: Carded
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Quantity in package: 1 piece
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Brand: Irwin Turbomax
Why this drill bit stands out: the combination of high-speed steel and a straight shank delivers dependable performance with broad chuck compatibility, making it a solid choice for standard drilling tasks in metal, wood, and plastics. The 4-3/8 inch overall length provides the reach you need for medium-depth holes, while the 3-1/16 inch flute length helps maintain efficient cutting and stable chip removal.
Ideal use cases
- Metalworking projects requiring precise, clean holes in steel, aluminum, or other alloys
- Woodworking tasks where a stable, straight drilling path is important
- General purpose drilling for home repairs, shop projects, and DIY builds
Practical tips for top results
- Secure the workpiece and, for metal, use a light cutting fluid or oil to extend bit life and improve chip evacuation
- Mark the drilling point and start with a center punch to prevent wandering
- Use a steady feed and moderate drill speed appropriate to the material to avoid overheating
- Periodically withdraw the bit to clear chips and prevent binding
This single-piece drill bit from the Irwin Turbomax line offers dependable performance for everyday tasks and more demanding projects alike. With its straight shank, robust high-speed steel construction, and precisely engineered dimensions, it’s a practical addition to any drill bit assortment.
