DEWALT DW5439 Hammer Drill Bit 1/2 in Dia 12 in OAL Helix Flute 4-Flute 1/2 in Dia Shank SDS Plus Shank

Sets up to 25% more anchors than standard masonry bits, DeWALT® SDS Plus masonry drill bits power through masonry, concrete and more with a carbide tip that maximizes bit life. An elongated 4-flute helix helps to increase material removal and 3 flats on the shank helps to prevent slippage.