Bosch SDS-Plus-5X Drill Bit 18mm x 250mm The Bosch 2608836632 18mm x 250mm SDS-Plus-5X hammer drill bit offers highly efficient drilling in masonry, concrete and reinforced concrete . It’s compatible with all rotary hammer drills with an SDS-Plus chuck. ‘Turn-angle’ head and large, short dust removal channels within the 4-flute design provide fast dust removal for increased drilling speeds and reduced wear - s lice through rebar quickly! Centring tip guides drilling from the start for efficient work and exact hole diameters (prevents wandering which can falsify the hole diameter) Geometrical form of the 4-cutter head prevents jamming and breakage for optimal results Proof of quality : this Bosch SDS-Plus-5X hammer drill bit bears the test mark of the PGM Masonry Drill Bit Association Board, guaranteeing compliance with tight tolerances, exact drilling and the firm hold of fixings