Diablo DMAPL4070 1/4" x 4" x 6" Rebar Demon™ SDS-Plus 4-Cutter Full Carbide Head Hammer Drill Bit
MPN: DMAPL4070
Minimum order quantity is .
Meet the Diablo DMAPL4070 Rebar Demon™ SDS-Plus 4-Cutter Full Carbide Head Hammer Drill Bit — a purpose-built solution for reinforced concrete where durability, speed, and precision matter most. Sized at 1/4" diameter with a 4" flute and 6" overall length, it’s crafted to tackle tough jobs without sacrificing accuracy or uptime.
Engineered for high-performance drilling in demanding conditions, the Rebar Demon 4-Cutter head features a full-carbide construction that’s ready for the heat and hammering action of today’s powerful SDS-Plus drills. Diablo’s design delivers a true win for professionals who encounter rebar and dense concrete—small bites of rebar are taken with each rotation, reducing carbide wear and keeping your hole clean and true from start to finish.
Why this bit stands out
- 2X more Dura-Carbide emphasis in the head provides exceptional heat resistance — up to 1800°F — far exceeding standard bits, which helps prevent carbide brittle failure during intense drilling sessions.
- 4-Cutter full-carbide head balances cutting speed with stability, delivering smoother starts and consistent hole quality even when hitting embedded rebar.
- Tri-Metal Fusion Welding creates a robust head that resists heat, survives extreme impacts, and minimizes breakage under heavy use.
- Precision Tip powers fast, accurate holes in reinforced concrete, making anchor setting more reliable and repeatable.
- Up to 7X longer life than typical carbide bits in demanding rebar drilling conditions, thanks to controlled carbide wear and better heat management.
- Designed for rebar challenges by taking small bites of rebar, reducing vibration and preserving overall bit integrity during aggressive drilling.
Ideal use cases
- Anchoring in reinforced concrete where rebar is present, typical in masonry walls, foundations, and structural embeds.
- Heavy-duty SDS-Plus drilling when you need dependable performance from start to finish, even under high drill speeds and continuous hammering.
- Situations demanding a cooler, more durable cutting edge to minimize downtime and maximize productivity on construction and remodeling projects.
What you can expect in practice
With the DMAPL4070, you’ll experience steadier performance in reinforced concrete, reduced rebar resistance, and fewer tool changes. The combination of a full carbide head, precision tip, and advanced welding technology translates to faster hole creation, cleaner openings for anchors, and longer bit life — essential for professionals who value reliability on the job site.
Practical tips for best results
- Use with a compatible SDS-Plus hammer drill and maintain steady, controlled feed pressure to leverage the 4-cutter geometry for clean starts.
- Let the bit do the work during breakthrough to minimize heat buildup and maximize carbide longevity.
- Clear debris regularly to prevent rebar binding and maintain accurate hole alignment for anchor installation.
Meet the Diablo DMAPL4070 Rebar Demon™ SDS-Plus 4-Cutter Full Carbide Head Hammer Drill Bit — a purpose-built solution for reinforced concrete where durability, speed, and precision matter most. Sized at 1/4" diameter with a 4" flute and 6" overall length, it’s crafted to tackle tough jobs without sacrificing accuracy or uptime.
Engineered for high-performance drilling in demanding conditions, the Rebar Demon 4-Cutter head features a full-carbide construction that’s ready for the heat and hammering action of today’s powerful SDS-Plus drills. Diablo’s design delivers a true win for professionals who encounter rebar and dense concrete—small bites of rebar are taken with each rotation, reducing carbide wear and keeping your hole clean and true from start to finish.
Why this bit stands out
- 2X more Dura-Carbide emphasis in the head provides exceptional heat resistance — up to 1800°F — far exceeding standard bits, which helps prevent carbide brittle failure during intense drilling sessions.
- 4-Cutter full-carbide head balances cutting speed with stability, delivering smoother starts and consistent hole quality even when hitting embedded rebar.
- Tri-Metal Fusion Welding creates a robust head that resists heat, survives extreme impacts, and minimizes breakage under heavy use.
- Precision Tip powers fast, accurate holes in reinforced concrete, making anchor setting more reliable and repeatable.
- Up to 7X longer life than typical carbide bits in demanding rebar drilling conditions, thanks to controlled carbide wear and better heat management.
- Designed for rebar challenges by taking small bites of rebar, reducing vibration and preserving overall bit integrity during aggressive drilling.
Ideal use cases
- Anchoring in reinforced concrete where rebar is present, typical in masonry walls, foundations, and structural embeds.
- Heavy-duty SDS-Plus drilling when you need dependable performance from start to finish, even under high drill speeds and continuous hammering.
- Situations demanding a cooler, more durable cutting edge to minimize downtime and maximize productivity on construction and remodeling projects.
What you can expect in practice
With the DMAPL4070, you’ll experience steadier performance in reinforced concrete, reduced rebar resistance, and fewer tool changes. The combination of a full carbide head, precision tip, and advanced welding technology translates to faster hole creation, cleaner openings for anchors, and longer bit life — essential for professionals who value reliability on the job site.
Practical tips for best results
- Use with a compatible SDS-Plus hammer drill and maintain steady, controlled feed pressure to leverage the 4-cutter geometry for clean starts.
- Let the bit do the work during breakthrough to minimize heat buildup and maximize carbide longevity.
- Clear debris regularly to prevent rebar binding and maintain accurate hole alignment for anchor installation.