Meet the Diablo DMARG1130 SPEEDemon™ Red Granite Carbide-Tipped Hammer Drill Bit—built for professionals and serious DIYers who want speed, durability, and precise holes through concrete, masonry, and stone. It’s the kind of tool you reach for when you’re not here to babysit a dull bit.

Key Features & Design

• Size: 3/8" diameter x 10" flute length x 12" overall length
• Material: Carbide-Tipped
• Technology: SPEEDemon™ Red Granite carbide tip with a hi‑performance brazing and hardening process
• teeth & Start: Multi-ground Grip Point tip design for aggressive starts and clean, fast holes
• Durability: Impact Strong™ shank stability and durability in cordless and corded impact and drill drivers
• Dust Management: Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength
• Applications: Drilling concrete, masonry, & stone
• Performance: More holes per charge in cordless impact and drill drivers

Diablo’s SPEEDemon™ Red Granite line is designed to be one of the fastest and longest lasting drilling solutions on the market. The carbide tip extends life and productivity, so you can drill fast, accurate holes without regrinding every few minutes. If your masonry project involves heat and impact, this bit is built to withstand it, delivering superior life versus standard masonry bits. And yes, it looks as serious as it sounds—because your tools should reflect the work you’re about to tackle.