Dewalt Dw5764 22 In X 112 In Rock Carbide 4cutter Spline Shank Drill Bit Tools Equipment

22 in. x 1-1/2 in. Rock Carbide and 4-Cutter Spline Shank Drill Bit - DW5764. Rock Carbide and tip maximizes carbide surface contact for longer bit life. Open head design channels dust into flutes for quicker drilling. Longer helix four-flute design expedites mill removal for quicker drilling