Dewalt DW5418 1/4 Inch X 8 1/2 Inch SDS-Plus Concrete Masonry Hammer Drill Bit

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.