With the Dewalt DT8957-QZ xlr hammer drill bits, you drill smoothly through concrete, reinforced concrete, masonry, and stone. The solid 4-CUT carbide head resists jamming and breakage when hitting rebar, keeping your workflow steady and uninterrupted. Its four-flute spiral geometry clears drilling dust rapidly to maintain high drilling speed while creating accurate, round 6 mm holes for reliable plug and anchor fixings. Offering a working length of 150 mm and an overall length of 210 mm, these bits are built for deep drilling and serial installations. This convenient 10-piece pack fits any SDS-Plus rotary hammer.