SDS-plus-5X drill bits are specially designed with a centring tip for active and accurate centring in concrete. They have a 4-cutter geometry that prevents jamming in rebar and the drill bit tip does not break off. They have a 4-flute design for fast dust removal giving higher drilling speeds and longer life. Centring tip for active and accurate centring in concrete. The asymmetrical drilling head design is unique, ensuring outstanding dust removal and reduced wear. 4-cutter geometry prevents jamming in rebar. The drill bit tip does not break off. 4-flute design gives fast dust removal for higher drilling speed and less wear. Suitable for masonry, concrete and reinforced concrete. Appropriate for all rotary hammers with SDS-plus holder.