Bosch 2608836633 SDS Plus-5X Hammer Drill Bit 18.0mm x 400mm x 450mm The Bosch 2608836633 is a single SDS Plus-5X drill bit with a diameter of 18.0mm and a working depth of 400mm. SDS Plus bits offer highly efficient drilling in reinforced concrete and masonry. They have a 4-flute design which provides fast dust removal so the bit can slice through concrete and rebar quickly with reduced wear. The centring tip prevents wandering and geometrical form prevents jamming. Features: SDS plus-5X Drill Bit offers highly efficient drilling in reinforced concrete Geometrical form of the 4-cutter head prevents jamming and breakage for optimal results “Turn-angle” head and 4-flute design provide fast dust removal for increased drilling speeds and reduced wear Centring tip guides drilling from the start for efficient work and exact hole diameters Specification: Diameter: 18.0mm Working length: 400mm Total length: 450mm