Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This image displays a long, gray masonry drill bit with a continuous spiral pattern along its entire length. The tip is slightly blunted and reddish-orange, indicating its purpose for heavy-duty drilling in materials like concrete.
Diablo Rebar Demon™ SDS-Plus 4-Cutter Drill Bits. This is a kit for hole drilling, featuring a clear, dark gray plastic carrying case with a handle and red accents, displaying "DIABLO" branding. Arranged around the case are twelve bright red, cylindrical hole saws of various sizes, along with a drill bit and two small black accessories.
DIABLO

Diablo Rebar Demon SDS Plus 4 Cutter Carbide Hammer Drill Bits Masonry Concrete Rotary Drill Bit Heavy Duty Core Hole Boring Fastener Anchor Set

In stock
SKU: DMAPL4040
$7.99 USD

Size
Description

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Plow Straight Through Embedded Structural Rebar and Hard Concrete Without Snapping Your Bit

Transform your heavy masonry drilling workflows and eliminate premature bit failure with the industrial strength of the Diablo Rebar Demon™ SDS-Plus 4-Cutter Full-Carbide Head Hammer Drill Bits. Specifically engineered for commercial electricians, mechanical plumbers, seismic tie-back installers, and structural concrete contractors, these elite bits are built to solve the single biggest jobsite headache: hitting steel rebar. Armed with up to twice the amount of proprietary Dura-Carbide™, the Rebar Demon withstands up to 1800°F of punishing friction-induced heat, keeping its cutting edge intact where conventional bits catastrophically fail at just 800°F. When your rotary hammer encounters embedded reinforcement steel, this bit takes calculated, controlled bites to slice through the obstruction rather than binding or snapping.

Uncompromising tracking accuracy and extended field lifespan make this bulk-ready drilling solution the absolute benchmark for high-volume mechanical anchor setting. Utilizing advanced Tri-Metal Fusion Welding, the solid four-cutter carbide head is bonded to the steel body with a weld up to three times stronger than standard alloy attachments, ensuring absolute stability during violent impact spikes. The integrated Precision Tip geometry forces immediate material bite to eliminate skidding or walking on polished concrete decks, while a built-in wear mark indicator provides real-time verification that the hole diameter is still perfectly concentric for safety-critical anchors. Complemented by an optimized, high-capacity spiral flute evacuation channel that pulls abrasive dust away from the tip immediately, this bit maximizes cordless battery runtime and delivers up to 7X longer life inside professional corded or cordless SDS-Plus rotary hammer drills.

Key Features

  • Impact-Resistant 4-Cutter Solid Head: Full-carbide head architecture handles high-joule impact forces and takes controlled bites to slice smoothly through hard structural steel rebar.
  • Premium Dura-Carbide™ Formulation: Contains up to 2X more carbide to withstand extreme jobsite friction temperatures up to 1800°F without softening or breaking.
  • Tri-Metal Fusion Weld Bonding: Advanced high-strength welding system shields the bit head against premature detachment during sudden aggregate impacts.
  • Pinpoint Accurate Precision Tip: Sharp centering tip creates immediate bit tracking and prevents surface wandering to ensure perfect alignment for layout markings.
  • 7X Operational Lifespan Multiplier: Industrial heavy-duty construction outperforms and outlasts standard 2-cutter masonry bits by a factor of seven.
  • Integrated Wear Mark Indicator: Built-in visual wear ring provides instant confirmation that the drilled hole diameter remains code-compliant for anchors.
  • High-Velocity Flute Dust Purge: Optimized multi-flute channels evacuate packing masonry powder immediately to keep the cutting core running cooler.

What's Included

  • (1) Diablo Rebar Demon™ SDS-Plus 4-Cutter Full-Carbide Head Hammer Drill Bit

Specifications

Specification Profile Details / Performance Value
Brand Name Diablo Tools
Product Line Family Rebar Demon™ Series
Cutting Head Configuration 4-Cutter Full-Carbide Impact Head Matrix
Cutting Edge Material Proprietary Diablo-Made Dura-Carbide™
Drive Shank Interface Type SDS-Plus (Slotted Drive System Quick-Change)
Welding Shield Technology Tri-Metal Fusion Weld (3X Weld Strength Rating)
Maximum Heat Endurance Limit Up to 1800°F (Continuous Thermal Load Defense)
Dust Evacuation Flutes Optimized Variable High-Volume Spiral Flutes
Hole Calibration Monitor Integrated Sidewall Wear Mark Indicator
Primary Material Compatibility Reinforced Concrete, Heavy Rebar, Hard Masonry, Brick, Concrete Block
Power Machine Platforms Corded and Cordless SDS-Plus Drive Rotary Hammers
Operating Drive Format Rotary Hammer / Percussive Action Mode Only

Pro-Tip: Even though your Diablo Rebar Demon bit is engineered to drill directly through structural steel rebar, you can extend the tool's life even further by modifying your technique when you hit metal. The moment you feel the drill's forward speed slow down and the vibration signature change—indicating you have struck rebar—ease up slightly on your forward pressure and let the 4-cutter carbide head chip through the steel at its own speed. For deep holes, pull the bit back slightly every few seconds without turning off the motor; this instantly vents the high-velocity spiral flutes and clears packed concrete dust, keeping the Dura-Carbide head completely cool.