Centring tip for a precise drilling start and good guidance. The 4-flute dura design provides effective dust removal for increased endurance and prevents heat development. Made of high-alloy steel with optimised hardening technology for wear resistance. Indented cutting edges made from an ideal Bosch-controlled carbide blend for additional resistance. Features a test mark from the PGM Masonry Drill Bit Association Board, guaranteeing compliance with tight tolerances, exact drilling, and firm hold of fixings. Intended for work on concrete and masonry, and to be used with rotary hammers with SDS plus holders.