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The FREUD DMAPL4020 is a 5/32-inch x 4-inch x 6-inch SDS-Plus hammer drill bit engineered for drilling through concrete that contains rebar. It features a full-carbide head with a 4-cutter geometry, produced using tri-metal diffusion bonding technology that bonds the carbide head to the steel shank for resistance to heat buildup and breakage under sustained impact. The precision tip geometry provides stability and accuracy for fast, clean holes that meet ANSI standards for anchor setting. This bit is sold in a package of 5 and weighs 0.6 pounds total. It is installed by licensed concrete and masonry trades as well as structural installers working with anchor systems in reinforced concrete.
The DMAPL4020 is suited for residential and commercial concrete drilling applications where rebar is present, including anchor bolt installation, structural attachment points, and post-installed anchor work in slabs, walls, and foundations. It is optimized for use in both corded and cordless SDS-Plus and SDS-Max rotary hammer drills. The 4-cutter full-carbide head design addresses the wear and breakage common with standard hammer bits when drilling through rebar-reinforced concrete.
Designed for use with corded and cordless SDS-Plus and SDS-Max rotary hammer drills. Suitable for ANSI-standard anchor setting applications in reinforced concrete.
Installation is typically performed by masonry contractors, concrete trades, or structural installers. Ensure the rotary hammer is powered off and depressurized before inserting or removing the bit. Verify the SDS-Plus chuck is fully seated and locked before drilling. Follow applicable jobsite safety protocols and any project-specific anchor manufacturer installation instructions for hole diameter and depth tolerances.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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