Diablo Metal Demon 31/64 in. x 5.9 in. L Metal Drill Bit is engineered for serious metalwork, delivering precise holes and steady performance in demanding applications. Built for durability, this drill bit is a dependable tool in any shop, fabrication setup, or DIY metal project.
Why this 3-Flat Shank matters
The 3-flat shank design transfers more torque from your drill to the bit, reducing slippage and cam-out in high-torque environments. That means cleaner starts, straighter holes, and less stray wandering when you’re drilling hardened metals or thick stock. It’s a smarter choice for power drills and drill presses alike, helping you work faster with less effort.
Key specs at a glance
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Drill size: 31/64 in
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Overall length: 5.9 in
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Flute length: 4 in
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Shank type: 3-flat shank
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Material: Metal
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Number in package: 1
Ideal use cases
- Drilling through steel, aluminum, and other metals for automotive, fabrication, and construction projects
- Creating precise holes in metal stock, brackets, and machine enclosures
- Shop work where reliable bite and reduced wander save time and materials
What sets it apart from standard bits
Beyond its sturdy metal construction, the Diablo Metal Demon showcases a specialized 3-flat shank that improves grip and torque transfer, helping you maintain accuracy even when drilling tougher metals. The 4-inch flute length combines efficient chip evacuation with strong core geometry for longer bit life, making it a practical choice for repeated metal drilling tasks in busy workshops.
Practical tips for best results
- Use a steady feed rate and avoid short, jerky motions to minimize bit deflection in metal.
- Apply light cutting oil or coolant to reduce heat buildup and extend bit life during drilling.
- Secure the workpiece with clamps or a vise to prevent movement and ensure a clean hole.
- Start with a pilot hole if drilling through thicker metal to guide the 31/64 in bit precisely.
Prepare your metalworking toolkit with the Diablo Metal Demon drill bit and tackle precision metal holes with confidence. Whether you're upgrading your workshop lineup or completing a one-off fabrication task, this bit delivers dependable performance, day after day.
