DEWALT DW5442 Hammer Drill Bit, 9/16 in Dia, 6 in OAL, Helix Flute, 4-Flute, 7/16 in Dia Shank, SDS Plus Shank

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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.