Diablo SPEEDemon Red Granite Carbide Tipped Hammer Drill Bit for Concrete, Masonry and Stone 3/8" Diameter, 6" Length, 4" Working Length DMARG1120

Optimized U-Flute Design - Removes dust faster, keeping the carbide tip cooler for ultimate strength and durability. Made for aggressive starts that produce clean, fast holes. Diablo Made Carbide Tip - It withstands impact and high heat applications for superior life versus standard masonry hammer drill bits. Stability and Accuracy - Impact Strong increases shank stability and durability. It delivers reliability and preciseness. One of the Fastest and Longest - It is one of the fastest and longest lasting drilling solutions on the market for concrete, masonry and stone. Maximum Performance - Good for hammer or rotary drilling applications. Great brazing and hardening process extends life of carbide tip and increases productivity., Manufacturer: Freud