DEWALT EXTREME SDS-plus Concrete Drill Bit 20mm x 450mm x 400mm 2 Cutter DEWDT9599-QZ
$72.66 inc GST
Heavy-duty DEWALT EXTREME SDS-plus concrete drill bit designed for fast, reliable drilling in masonry, brick, and concrete for professional trade applications.
20 in stock

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15+ Years
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Australian Company
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Description
High-Performance Drilling for Demanding Trade Applications
The DEWALT EXTREME SDS-plus Concrete Drill Bit 20mm x 450mm x 400mm 2 Cutter DEWDT9599-QZ is built for licensed electricians and contractors who need consistent, high-speed drilling on site. With a solid 2-cutter carbide tip design, this bit delivers aggressive cutting action for faster penetration into concrete, masonry, stone, and brick/block work.
The four-flute spiral design with a reinforced central core improves debris removal and energy transfer, helping reduce drilling resistance and keeping work moving efficiently on busy job sites. Whether you’re installing anchors, plugs, or clearance holes, this bit is engineered to keep productivity high and downtime low.
Built for Jobsite Reliability & Long-Term Durability
On demanding construction and maintenance projects, reliability matters. This DEWALT EXTREME SDS-plus drill bit is engineered with a brazed carbide tip and hardened steel body to withstand high-impact hammer drilling applications.
The strong carbide-to-body bond helps reduce breakage under load, while the reinforced core design improves stability during deep drilling. Designed for SDS-plus fitment hammer drills (corded or cordless), it ensures dependable performance across residential, commercial, and industrial electrical installations where precision and durability are essential.
Manufactured in Germany, this drill bit is made to meet the expectations of trade professionals who require consistent performance across repetitive drilling tasks.
Trade Efficiency with SDS-plus Compatibility
Designed for fast-paced electrical and construction work, this drill bit supports efficient installation workflows where speed and accuracy directly impact project timelines.
Its 20mm diameter and extended 450mm total length (400mm working length) make it ideal for deep penetration tasks in structural materials. The SDS-plus shank ensures quick bit changes, reducing downtime when moving between drilling tasks on site.
For electricians, contractors, and maintenance teams working across multiple job sites, this bit helps streamline operations—delivering dependable results without constant tool changes or performance drop-offs.
Key Specs
- Diameter: 20mm
- Total Length: 450mm
- Working Length: 400mm
- Cutters: 2
- Fitment: SDS-plus
Ideal For
- Licensed electricians installing cable pathways and fixings
- Electrical contractors working on residential and commercial builds
- Construction and renovation drilling in concrete and masonry
- Maintenance teams handling anchor and plug installations
- Facilities and property managers performing structural repairs
- General trade professionals needing deep-hole drilling capability
Additional information
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