Diablo Metal Demon 5/16 in. x 4.6 in. L Metal Drill Bit with a 3-Flat Shank is engineered for serious metalwork, delivering steady, dependable performance when your projects demand precision and reliability. Built from durable metal construction and carrying the Metal Demon lineage, this drill bit is a practical upgrade for anyone who works with metal—whether you’re in a shop, garage, or on a job site.
- Diameter: 5/16 in
- Overall length: 4.6 in
- Flute length: 3 in
- Shank: 3-flat shank for a secure grip and improved torque transfer in standard drill chucks
- Material: Metal
- Brand: Diablo, Metal Demon sub-brand
- Packaging: Bulk, single-piece
Why this drill bit stands out
- 3-flat shank design: The flat facets on the shank bite firmly in the chuck, reducing slippage during heavy metal drilling and delivering more consistent torque transfer across the entire bit profile. This matters when you’re pushing through tougher metals or working in tight spaces where control is key.
- Reach and versatility: With an overall length of 4.6 inches and a 3-inch flute, you get a comfortable balance between reach and chip clearance. It’s well-suited for mid- to deep-hole drilling in steel, aluminum, and other metals without compromising precision.
- Metal-focused performance: From everyday workshop tasks to more demanding metal projects, this drill bit is purpose-built for metal drilling. It’s a reliable choice for homeowners, hobbyists, and professionals who need predictable behavior and straightforward tool compatibility. What problems it solves for you
- Slippage and wobble in metal drilling are minimized thanks to the 3-flat shank, meaning you can drill with more confidence in challenging materials.
- Clearer hole starts and fewer wander issues help you stay on the intended spot, reducing the need for rework.
- A single, purpose-built bit that handles common metalworking tasks without switching tools mid-project. Ideal use cases
- Drilling through steel plates, aluminum extrusions, and other metal components in automotive, fabrication, and DIY metal projects.
- Creating pilot holes for fasteners or preparatory holes for larger bore tasks where precision matters.
- Work in tight or recessed areas where a compact, reach-friendly bit is advantageous. Practical tips for best results
- Use appropriate speed for metal drilling and maintain steady feed pressure to prevent overheating.
- Apply a light cutting fluid or oil to extend bit life and improve chip evacuation on harder metals.
- Start with a small pilot hole if you’re drilling into thicker metals to reduce walking and maximize accuracy.
- Inspect the 3-flat shank for clean flats before loading into the chuck to ensure optimal grip. Designed to empower metalworkers who demand consistent results with a trusted name, the Diablo Metal Demon 5/16 in. x 4.6 in. drill bit pairs robust construction with thoughtful design. It’s a focused solution for reliable metal drilling that helps you complete projects with greater efficiency and fewer interruptions.
