DeWalt 3/8 x 8 x 10 SDS+ 2C DW5429

Guaranteed to set 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.