Diablo Metal Demon 5/16 in. x 4.6 in. Stainless Steel Drill Bit with 3-Flat Shank is engineered for metalworking where durability and precision matter. Built from rugged stainless steel, this bit is designed to cut through tough metals with minimal wandering, delivering clean, accurate holes in challenging materials.
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Material: Stainless steel for long-lasting wear resistance and dependable performance in stainless steel, cast iron, and other metals.
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Drill Size: 5/16" diameter to create sizeable holes for fasteners, plumbing runs, or electrical pass-throughs.
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Overall Length: 4.6" reach to access deeper workpieces without repositioning.
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Flute Length: 3" flute length facilitates effective chip removal and smoother cutting.
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Shank Type: 3-flat shank minimizes slippage and maximizes torque transfer in power drills, reducing wandering in hard metals.
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Quantity / Packaging: Sold as a single carded piece from the Metal Demon line by Diablo.
What makes this Diablo Metal Demon drill bit stand out is the combination of a robust stainless steel construction and a shank design that locks in securely under heavy cutting. The 3-flat shank reduces slippage in standard chucks, so you can apply steady, confident torque without the bit slipping or skittering—an issue often seen with smoother shanks when drilling through metal. Paired with a 4.6" overall length, you get substantial reach for drilling holes on thicker materials or in confined spaces, all while maintaining control and accuracy.
Ideal use scenarios include fastening work on automotive panels, HVAC components, metal enclosures, and industrial projects where stainless steel or other hard metals are in play. If you routinely bore through metal, this drill bit is designed to handle the heat and abrasion that come with tougher materials, helping you reduce re-drilling and extend tool life.
Practical tips for best results:
- Use cutting fluid or light oil to cool the bit during drilling to extend bit life and reduce heat buildup.
- Start with a small pilot hole, then widen to 5/16" to minimize work hardening in stainless steel.
- Operate at a moderate speed with steady pressure; let the bit do the cutting rather than forcing it.
- Keep the workpiece securely clamped to prevent movement and ensure a clean hole.
Whether you’re outfitting a metal shop, a contractor’s toolkit, or a DIY enthusiast’s garage, the Diablo Metal Demon 5/16 in. x 4.6 in. Stainless Steel Drill Bit with a 3-Flat Shank delivers reliable performance, consistent hole quality, and a secure chuck grip that helps you get the job done right the first time.
