The Diablo DMARG1140 SPEEDemon Red Granite Carbide-Tipped Hammer Drill Bit is built for serious drilling in concrete, masonry, and stone. If you want fast, clean holes and a bit that lasts longer than your patience during a DIY project, this one’s for you.

Key Features & Design

• Size: 7/16" x 4" x 6"
• Application: Drilling concrete, masonry, & stone
• Ideal For: Diablo made carbide tip withstands impact and high heat applications for superior life versus standard masonry hammer drill bits
• Grip Point Tip: Multi-ground Grip Point Tip delivers stability and accuracy required for fast, precise holes
• Life & Productivity: Hi-performance brazing and hardening process extends life of carbide tip and increases productivity
• Flute Design: Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength and durability
• Durability: Impact Strong™ increases shank stability and durability in cordless and corded impact and drill drivers
• Line: SPEEDemon™ Red Granite Carbide-Tipped Hammer Drill Bit

Diablo’s SPEEDemon™ Red Granite line pairs speed with longevity to tackle hard materials without the drama. The combination of a specially brazed and hardened carbide tip and the multi-ground Grip Point design means aggressive starts, cleaner holes, and fewer poke-a-doodle moments on the job site. Whether you’re pounding through reinforced concrete or stubborn stone, this bit stays cooler, works with both cordless and corded drivers, and sticks with you through the entire project. Time to drill smarter, not harder.