Diablo Speedemon 3 in. x 5-1/8 in. L Self-Feed Bit with Hex Shank is built for woodworkers who demand speed, precision, and durability. Crafted from sturdy steel, this self-feed bit from the Speedemon family delivers clean, accurate holes with less effort and wandering, so you can tackle cabinetry, furniture, and general wood drilling with confidence.
Key features and specs to know:
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Overall length: 5-1/8 in
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Shank type: Hex, 7/16 in for secure grip in drills and impact drivers
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Drill size: 3
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Material: Steel for durability and long life
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Packaging: Shipped in a protective tube, one bit per package
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Product type: Self-Feed Bit, ideal for fast, controlled hole creation in wood
Why this matters for your project
The self-feed design pushes the bit forward as you drill, reducing back-and-forth motion and helping you punch larger-diameter holes quickly without the need for pilot holes. The 7/16 in hex shank locks into place securely, minimizing slip even under heavy feeding pressure. With steel construction, you get rugged performance that holds up to repeated use in soft to moderately hard woods—perfect for hobby projects, cabinetry, and scaffolding-grade work alike.
Practical use cases
- Cabinetmaking and furniture assembly: clean dowel holes and pass-throughs for hardware
- Woodworking projects that require large, accurate holes quickly
- DIY installations where you need a dependable hole without wandering or tearing
Tips for best results
Use a drill with a comfortable, steady speed and maintain steady, even pressure. Let the self-feed action do the work to minimize heat buildup and extend bit life. If you’re drilling through particularly dense or figure-rich wood, consider backing with scrap wood to reduce tear-out on exit.
