DEWALT DW5748 3/4-Inch by 17-Inch by 22-Inch 4-Cutter Spline Shank Rotary Hammer Bit

DEWALT DW5748 3/4-Inch by 17-Inch by 22-Inch 4-Cutter Spline Shank Rotary Hammer Bit Rock Carbide tip maximizes carbide surface contact for longer life. Open head design channels more dust out. U-flute design maximizes bit strength. Longer helix increased flute travel expedites dust removal., Brand DEWALTLonger helix four flute design expedites mill removal for quicker drilling.One year warranty, one year service contract, 30 day no-risk trialROCK CARBIDE tip maximizes carbide surface contact for longer bit life.Concave head design allows dust to enter flute chambers quickly increasing bit lifeOpen head design channels dust into flutes for quicker drilling