Drilling in reinforced concrete and cleaning holes in preparation for chemical anchor installation is hard work and time-consuming. Hilti’s hollow drill bits work with a dust extractor vacuum to remove dust while you drill, completely eliminating the next step of hole cleaning. They come in a range of diameters, making them suitable for a large range of post-installed rebar and threaded rod installation. Sounds good? Hilti account manager Samuel Waayer certainly thinks so! In fact, he says they’