The Hilti TE70 ATC combihammer can be used for Hammer drilling in concrete, masonry and natural stone with drill bits 12-150 mm in diameter. Drilling holes for heavy-duty anchors from 20-40 mm in diameter. Breaching and demolition with pointed and flat chisels. Hammer drilling in concrete, masonry and natural stone with drill bits 1/2" - 6" in diameter. Drilling holes for heavy-duty anchors from 3/4" - 1-3/4" in diameter.