Dewalt dch253 sds plus rotary hammers 18v dewalt dch254m2 gb this 18v rotary hammer from dewalt is ideal for drilling anchors and fixing holes into concrete brick and masonry from 4mm to 24mm the hammer drill has a rotation stop mode for light chiselling in plaster tiles and render plus an impact stop mode for rotary only drilling in wood and metal equipped with a quick release sds plus toolholder and keyless chuck for easy switching between hammerrotary hammer and rotary only applica