Diablo DMAPL4140 3/8" x 4" x 6" Rebar Demon™ SDS-Plus 4-Cutter Full Carbide Head Hammer Drill Bit
MPN: DMAPL4140
Minimum order quantity is .
Meet the Diablo DMAPL4140 Rebar Demon™ 3/8" x 4" x 6" SDS-Plus 4-Cutter Full Carbide Head Hammer Drill Bit — a purpose-built solution for heavy-duty reinforced concrete work. Designed to deliver fast, precise holes in even the toughest substrates, this bit redefines durability and performance when you’re anchoring, retrofit drilling, or chiseling through rebar-laced concrete.
Unmatched durability under heat and impact — the Rebar Demon 4-cutter head packs up to 2X more Dura-Carbide than standard carbide bits, meaning more cutting edge life when you’re pushing hard with high-powered hammer drills. It’s engineered to endure intense heat, with a resistance profile up to 1800°F, so you won’t see the carbide soften or wear prematurely under demanding drilling cycles. The result is longer intervals between bit changes and less downtime on the job.
Smart design for real-world rebar challenges — the 4-cutter full-carbide head is built to withstand rebar conflicts by taking controlled bites rather than aggressive, blunt cuts. This approach minimizes carbide wear, reduces vibration, and preserves bit integrity, helping you punch clean, accurate holes even in reinforced concrete where precision matters most for anchor placement.
Tri-Metal Fusion Welding for reliability — this manufacturing approach fuses multiple metals to form a resilient head that resists heat buildup and breakage in extreme impact scenarios. Paired with a Precision Tip, the bit stays stable and centered, promoting fast, precise hole formation that yields consistent anchor depths and cleaner cores.
Why this bit stands out
- Speed + precision: Precision Tip keeps entry stable and reduces wander, so you hit the exact location every time.
- Extreme heat endurance: Up to 1800°F resistance minimizes carbide degradation during tough drilling cycles.
- Longer bit life: Up to 7X longer life compared to standard carbide bits due to controlled wear and robust construction.
- Vibration reduction: The 4-cutter geometry lowers vibration, improving user comfort and bit control in long sessions.
- Rebar-ready performance: Specifically engineered to handle rebar encounters without catastrophic wear or binding.
Ideal applications — whether you’re a professional contractor, facilities technician, or serious DIYer tackling anchor installations, you’ll appreciate how this bit handles reinforced concrete, masonry with embedded rebar, and high-strength substrates. It’s the right tool for drilling holes for anchors, mechanical fasteners, or electrical conduits where precision and durability are non-negotiable.
Practical tips for best results — use with compatible SDS-Plus hammer drills, apply steady, moderate pressure, and let the bit do the cutting rather than forcing aggressive entry. For deep holes, clear dust and debris regularly to maintain cutting efficiency, and consider cooling breaks during extended sessions to preserve carbide integrity and maintain peak performance.
With the Diablo DMAPL4140 Rebar Demon™ 4-Cutter Full Carbide Head Hammer Drill Bit, you’re pairing a proven, battle-tested design with cutting-edge materials science to deliver fast, reliable holes in reinforced concrete. When performance and longevity matter most, this bit is engineered to keep pace with your toughest jobs.
Meet the Diablo DMAPL4140 Rebar Demon™ 3/8" x 4" x 6" SDS-Plus 4-Cutter Full Carbide Head Hammer Drill Bit — a purpose-built solution for heavy-duty reinforced concrete work. Designed to deliver fast, precise holes in even the toughest substrates, this bit redefines durability and performance when you’re anchoring, retrofit drilling, or chiseling through rebar-laced concrete.
Unmatched durability under heat and impact — the Rebar Demon 4-cutter head packs up to 2X more Dura-Carbide than standard carbide bits, meaning more cutting edge life when you’re pushing hard with high-powered hammer drills. It’s engineered to endure intense heat, with a resistance profile up to 1800°F, so you won’t see the carbide soften or wear prematurely under demanding drilling cycles. The result is longer intervals between bit changes and less downtime on the job.
Smart design for real-world rebar challenges — the 4-cutter full-carbide head is built to withstand rebar conflicts by taking controlled bites rather than aggressive, blunt cuts. This approach minimizes carbide wear, reduces vibration, and preserves bit integrity, helping you punch clean, accurate holes even in reinforced concrete where precision matters most for anchor placement.
Tri-Metal Fusion Welding for reliability — this manufacturing approach fuses multiple metals to form a resilient head that resists heat buildup and breakage in extreme impact scenarios. Paired with a Precision Tip, the bit stays stable and centered, promoting fast, precise hole formation that yields consistent anchor depths and cleaner cores.
Why this bit stands out
- Speed + precision: Precision Tip keeps entry stable and reduces wander, so you hit the exact location every time.
- Extreme heat endurance: Up to 1800°F resistance minimizes carbide degradation during tough drilling cycles.
- Longer bit life: Up to 7X longer life compared to standard carbide bits due to controlled wear and robust construction.
- Vibration reduction: The 4-cutter geometry lowers vibration, improving user comfort and bit control in long sessions.
- Rebar-ready performance: Specifically engineered to handle rebar encounters without catastrophic wear or binding.
Ideal applications — whether you’re a professional contractor, facilities technician, or serious DIYer tackling anchor installations, you’ll appreciate how this bit handles reinforced concrete, masonry with embedded rebar, and high-strength substrates. It’s the right tool for drilling holes for anchors, mechanical fasteners, or electrical conduits where precision and durability are non-negotiable.
Practical tips for best results — use with compatible SDS-Plus hammer drills, apply steady, moderate pressure, and let the bit do the cutting rather than forcing aggressive entry. For deep holes, clear dust and debris regularly to maintain cutting efficiency, and consider cooling breaks during extended sessions to preserve carbide integrity and maintain peak performance.
With the Diablo DMAPL4140 Rebar Demon™ 4-Cutter Full Carbide Head Hammer Drill Bit, you’re pairing a proven, battle-tested design with cutting-edge materials science to deliver fast, reliable holes in reinforced concrete. When performance and longevity matter most, this bit is engineered to keep pace with your toughest jobs.