The Diablo Rebar Demon 1" x 16" x 18" SDS-Plus 4-Cutter Full Carbide Head Hammer Drill Bit is engineered for professionals who need to drill fast, accurate holes through reinforced concrete, standard concrete, brick, block, and rebar without premature bit failure. Diablo's Rebar Demon line represents a revolutionary approach to hammer drill bits, delivering a full-carbide head design that outlasts standard 2-cutter bits and thrives in the punishing conditions of anchor setting and structural drilling applications. Made in Germany, this 1" diameter bit provides a 16" working length and 18" total length, fitting all corded and cordless SDS-Plus rotary hammer drills.

Key Features

• Up to 7X Longer Life vs. Standard 2-Cutter Bits - dramatically reduces bit replacement frequency on demanding jobsites, lowering cost per hole drilled in reinforced concrete and concrete.
• Dura-Carbide Full Carbide Head with up to 2X More Carbide - withstands up to 1800 deg. Fahrenheit of intense heat where standard bits fail at 800 deg. Fahrenheit, keeping the cutting head intact through rebar strikes that would destroy conventional bits.
• Impact Resistant 4-Cutter Design - takes smaller, controlled bites of rebar for consistent carbide wear and reduced vibration, resulting in faster drilling and precise, clean holes in reinforced concrete.
• Tri-Metal Fusion Welding with up to 3X Stronger Weld - keeps the full carbide head securely bonded during extreme impact from rebar, preventing head breakage and maintaining drilling performance throughout the bit's service life.
• Precision Tip - provides stability and accuracy from the first contact with the material surface, enabling fast, precise hole placement required for anchor setting in reinforced concrete.
• Optimized Flute Design - evacuates dust more rapidly from the bore, keeping the carbide head cooler for sustained strength and durability during extended drilling sessions.
• Wear Mark Indicator - gives the user a clear visual reference to ensure precise, consistent hole depth is achieved every time.
• Compatible with Corded and Cordless SDS-Plus Rotary Hammers - offers maximum flexibility across a wide range of tool brands and power levels on the jobsite.

Why This Product

• When drilling through reinforced concrete where rebar strikes are unavoidable, the 4-cutter full carbide head takes controlled, incremental bites of rebar rather than absorbing full impact - this controlled wear translates directly to a bit that lasts up to 7X longer than standard 2-cutter alternatives.
• The ability to withstand up to 1800 deg. Fahrenheit - more than double the 800 deg. Fahrenheit threshold where standard bits fail - means this bit maintains structural integrity and cutting efficiency even in high-heat drilling situations caused by sustained use or rebar contact.
• Tri-Metal Fusion Welding produces a bond up to 3X stronger than standard welding methods, making this bit the right choice for high-powered hammer drills and applications where bit head separation would cause costly downtime or safety concerns.
• The combination of the precision tip, wear mark indicator, and optimized flute dust evacuation makes this bit well suited for anchor setting work in reinforced concrete where hole accuracy, cleanliness, and consistent depth are critical to the integrity of the installation.

Specifications

• Brand: Diablo
• Sub-Brand: Rebar Demon
• Manufacturer Part Number: DMAPL4310
• Category: SDS-Plus 4-Cutter Hammer Drill Bits
• Diameter: 1"
• Total Length: 18"
• Working Length: 16"
• Shank: SDS-Plus
• Head Type: Full Carbide Head
• Number of Cutters: 4
• Compatible Tools: SDS-Plus Rotary Hammer Drill
• Materials: Reinforced Concrete; Concrete; Rebar; Brick/Block
• Pack Quantity: 1
• Country of Origin: Germany

Approved Applications

• Reinforced concrete and concrete drilling for anchor setting and structural applications

Frequently Asked Questions

What makes the Rebar Demon bit different from a standard 2-cutter hammer drill bit?

The Rebar Demon features a 4-cutter full carbide head rather than the 2-cutter design found on standard bits. This 4-cutter configuration takes smaller, more controlled bites of rebar, reducing vibration and delivering consistent carbide wear. Combined with Dura-Carbide that withstands up to 1800 deg. Fahrenheit versus the 800 deg. Fahrenheit threshold where standard bits fail, the result is up to 7X longer service life in reinforced concrete applications.

What is Tri-Metal Fusion Welding and why does it matter?

Tri-Metal Fusion Welding is Diablo's proprietary welding process used to bond the full carbide head to the bit body. It produces a weld that is up to 3X stronger than standard welding methods. This added strength keeps the carbide head intact during extreme impact situations such as repeated rebar strikes, preventing head separation and maintaining drilling performance throughout the life of the bit.

Is this bit compatible with cordless rotary hammer drills?

Yes. The Rebar Demon SDS-Plus bit is optimized for maximum performance in both corded and cordless SDS-Plus rotary hammer drills, making it a versatile choice for jobsites where either power source is used.

What is the wear mark indicator and how is it used?

The wear mark indicator is a visual marking on the bit that allows the user to monitor hole depth during drilling. It ensures precise, consistent hole depth is achieved on every bore, which is particularly important for anchor setting in reinforced concrete where exact embedment depth affects load capacity and installation compliance.