Take on metal projects with confidence using the Diablo Metal Demon 19/64 in. x 4.6 in. Metal Drill Bit with a 3-Flat Shank. Built for serious metalworking, this bit delivers steady, precise performance when drilling through steel, aluminum, and other dense materials. The combination of a compact 19/64" diameter and a 4.6" overall length gives you the right balance between control and reach for everything from thin sheets to thicker workpieces.
Why this drill bit stands out
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3-Flat Shank design ensures maximum grip in the chuck, reducing slippage under load and keeping the bit centered for cleaner holes and less wandering during mid-work drilling.
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Diameter and length—19/64 in. hole size with an overall length of 4.6 in. provides the reach you need for deeper cavities and hard-to-reach panels without compromising stability.
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Metal Demon by Diablo inherits Diablo’s reputation for durable metalworking tooling, delivering dependable edge geometry and long-lasting performance in repeated metal drilling tasks.
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One-piece practicality—packaged in bulk with a single drill bit per package, making it easy to stock and replace as part of your go-to metalworking kit.
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Material: Metal—designed specifically for metal workpieces, offering better heat resistance and edge retention than generic bits when drilling through tougher metals.
Ideal use cases
Whether you’re building, repairing, or maintaining metal assemblies, this drill bit excels in:
- Drilling through brackets, chassis components, and metal enclosures in automotive or machinery work.
- Creating fastener holes in steel and aluminum frames, shop fixtures, and DIY metal projects.
- Deep-hole drilling tasks where the 4.6" length helps you reach deeper sections without repositioning the workpiece.
Tips for best results
- Use a light to moderate feed and steady pressure to maintain a clean entry and prolong bit life.
- Apply cutting oil or lubrication when drilling metal to reduce friction and heat buildup.
- Secure the workpiece with clamps to prevent movement and ensure precise hole placement.
- Start with a pilot hole if possible to guide the bit and minimize wandering, especially on thicker or thicker-walled pieces.
What you gain
With the Diablo Metal Demon 19/64 in. x 4.6 in. Metal Drill Bit, you’re choosing a purpose-built tool that pairs robust shank design with reliable metal-cutting performance. It’s an ideal addition to professional tool chests and serious DIY setups where accuracy, durability, and ease of use in metal drilling matter most.