Meet the Diablo Rebar Demon 3/8 in. x 12 in. L Carbide Hammer Drill Bit with SDS-Plus Shank — a purpose-built solution for drilling through reinforced concrete, masonry, and other hard substrates where embedded rebar can challenge standard bits. Designed for professional use, this 25-pack of reliable, long-lasting bits is ready to power through even the toughest jobs with precision and speed.
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Carbide tip for extended life: Engineered to resist wear and maintain cutting efficiency when drilling through concrete, stone, and rebar-laden substrates.
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Ideal length for deep holes: 12 in overall length with a 10 in flute length, delivering deep, clean holes for anchors, bolts, and fasteners without frequent bit changes.
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3/8 in drill size: A versatile mid-sized option that pairs well with common anchor systems and provides a reliable balance of speed and control.
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SDS-Plus shank: Quick, secure mounting on most SDS-Plus rotary hammers, delivering efficient hammer drilling with reduced bit wobble.
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Rebar Demon performance: This Diablo sub-brand is engineered for reinforced concrete tasks, helping you cut through concrete while minimizing chatter and wandering.
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Carded packaging, 25 pieces: Stock up with a practical, carded package that makes replacements easy and keeps jobs on track without frequent repurchases.
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Versatile for professional jobs: Whether you’re installing anchors in new construction or retrofitting concrete walls, this bit delivers dependable results in demanding environments.
Why this Diablo Rebar Demon bit stands out
Concrete work with embedded steel demands a drill bit that combines durability, precision, and compatibility with common tools. The carbide tip delivers long life and sustained cutting performance, even when you encounter tough aggregates or rebar. The 12-inch overall length and 10-inch flute help you reach deep into walls and slabs, reducing the need for multiple tools on site. An SDS-Plus shank ensures fast bit changes and solid engagement with modern hammer drills, so you can maintain momentum on time-sensitive projects.
Use cases this bit is built for
- Drilling anchor holes in reinforced concrete for mounting equipment, handrails, or structural elements.
- Working through masonry and block where rebar or dense aggregates are present.
- Retrofit or new construction tasks that require deep, clean holes without frequent bit changes.
- Applications in maintenance and repair where reliability under tough conditions is essential.
Practical tips for best results
- Use with a compatible SDS-Plus hammer drill and appropriate drilling speeds for concrete to maximize life and performance.
- Apply steady, moderate pressure and let the carbide edge work—don’t force the bit, which can cause overheating or guide wandering.
- Keep the bit cool during extended drilling sessions; consider intermittent drilling to prevent overheating and prolong edge life.
- Pair with proper drilling lubricants or coolants if your material includes particularly dense concrete or abrasive aggregates.
Technical specifications at a glance
- Brand: Diablo
- Sub Brand: Rebar Demon
- Product Type: Hammer Drill Bit
- Drill Size: 3/8 in
- Shank Type: SDS-Plus Shank
- Material: Carbide
- Overall Length: 12 in
- Flute Length: 10 in
- Number in Package: 25
- Packaging Type: Carded
Stock up with the Diablo Rebar Demon 3/8 in. x 12 in. L Carbide Hammer Drill Bit (SDS-Plus Shank) and tackle reinforced concrete projects with confidence. Its durable carbide tip, long reach, and SDS-Plus compatibility make it a practical, reliable choice for professional contractors, facilities maintenance teams, and serious DIYers working with tough substrates.
