Meet the Diablo DMARG1100 5/16" x 4" x 6" SPEEDemon™ Red Granite Carbide-Tipped Hammer Drill Bit. Built for concrete, masonry, and stone, it's designed for pros and serious DIYers who want fast, accurate holes and longer bit life.

Key Features & Design

• Size / Type: 5/16" x 4" x 6" SPEEDemon™ Red Granite Carbide-Tipped Hammer Drill Bit
• Material: Carbide-Tipped
• Grip Point tip design: Multi-ground Grip Point tip design allows for aggressive starts that produce clean, fast holes
• Hi-performance brazing and hardening: Hi-performance brazing and hardening process extends life of carbide tip and increases productivity
• Optimized flute design: Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength and durability
• Impact Strong™: Impact Strong™ increases shank stability and durability in cordless and corded impact and drill drivers
• 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

Engineered to stay cool and cut fast, this bit keeps dust down and wear low, so you spend less time changing bits and more time getting the job done. Whether you’re a professional contractor or a serious home improver, the DMARG1100 is built to perform and last.