- Carbide- tipped tools feature cutting edges of carbide for wear resistance and a steel shank for toughness- Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications- SDS Plus shank hammer bit- When run in a counterclockwise direction (right- hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging- Especially suited for drilling in stone or concrete