5-Piece Hammer-Drill Bit Kit

Hardened, premium carbide insert tip is strong and stays sharp longer for finer material break up and easier drilling Shaft made from hardened alloy steel for heavy shock resistance and longer bit life Carbide tip sized in inches versus mm for more accurate hole size H-Style flute for faster drilling and material removal SDS Plus drive for more secure hold in rotary hammer drill Kit includes diameters andlengths most commonly used byelectricians