Bosch SDS-plus-7 Drill Bit 18mm x 400mm x 450mm 2608586720 Bosch SDS-plus-7 drill bits provide accurate holes, even through rebar, whilst still being particularly durable. This Bosch SDS hammer drill bit has a solid tungsten carbide head with four-cutter geometry making it extremely robust. The main cutter is supported by the secondary cutters during drilling - this causes the concrete to be broken down into smaller particles, making it virtually impossible for the bit to get jammed in concrete with rebar. The result is a fast but smooth drilling action. FEATURES 3x lifetime and precise drilling even in rebar 5-cutter full head carbide: Shaped cutters for highest demolition force, exceptional lifetime and best wear resistance; no jamming in rebar Activeteq: Active centring tip for active cutting in concrete 2 + 2 flute design: Vibration-optimised flute design for the best power transfer and speed SPECIFICATION Diameter (D): 18 mm Working length (L1): 400 mm Total length (L2): 450 mm Drill bit, designation: SDS-plus-7 Shank, shape: SDS-plus Part no.: 2608586720