Irwin Speed Hammer Drill Bit *Sub Brand: Speedhammer Plus *Material: Steel *Shank Type: SDS Plus Shank *Drill Bit Diameter: 3/4 in. *Dril Bit Length: 8 in. *Product Type: Drill Bit *Application: For Drilling in Concrete *Shank Diameter: 1/4 in. *Packaging Type: Carded *6" flute length. Patented tip and flute design removes dust more efficiently. Hot isostatically pressed to extend life and resist breakage. All tips made to ANSI specifications.