Meet the Diablo DMARG1120 3/8" x 4" x 6" SPEEDemon™ Red Granite Carbide-Tipped Hammer Drill Bit—built for professionals and DIYers tackling concrete, masonry, and stone. If you want fast, accurate holes without sacrificing bit life, this is your go-to tool.

Key Features & Design

• Size: 3/8" shank x 4" flute length x 6" overall length
• Material & Technology: SPEEDemon™ Red Granite Carbide-Tipped design for durability and long life
• Grip Point Tip design: Multi-ground Grip Point tip delivers aggressive starts and clean holes
• Durability: Hi-performance brazing and hardening process extends the carbide tip life and boosts productivity
• Dust Management & Cooling: Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength and durability
• Shank Stability: Impact Strong™ increases shank stability and durability in cordless and corded impact and drill drivers
• Applications: 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

Engineered for performance and built to last, this bit keeps drilling fast and holes precise—without the drama. Pro tip: pair with the right drill and PPE for the best results, because heroics belong in the toolbox, not on the job site.