BOSCH p 2608586766 SPEEDX SDSMAX HAMMER DRILL BIT p 20mm x 400mm x 520mm Features The Bosch 2608586766 SDSMax Speed X drill bit is one of the fastest performing bits on the market compatible with all rotary hammers that feature the SDSMax system This drill bit is suitable for drilling masonry limestone concrete & reinforced concrete SDSMax drillbits are suitable for drilling into concrete reinforced concrete linestone & masonry The Ideal Drill Bit for the Professional Rapid cutting speed with 4 cutter head Angled side cutters to increase cutting speed Centring tip maintains alignment & improves accuracy Long life solid tungsten carbide tips Large dust channels for optimum dust removal prevention of overheating p p Specification Diameter 20mm Working Length 400mm Total Length 520mm Total Shipping Weight 1kg