DEWALT 4 Piece Premium Percussion Masonry Drill Bit Set
DeWalt premium carbide percussion hammer bits are used primarily for drilling small diameter holes in masonry, concrete, rock, and artificial stone. These bits are used primarily to drill holes for mechanical anchors and fit into standard 3/8-in and 1/2-in chucks. With an innovative tip that reduces walking for improved accuracy.
Rock carbide tip maximizes carbide surface contact for longer bit life
Four flute design cleans debris out for fast, efficient drilling
Three flats on shank eliminate bit slipping in chuck
For use with electric or cordless hammerdrill