Impact drill series bosch gsb bosch professional power 600 watt gear 1 speed tool holder keyless weight 16 kg idle speed max 2 800 rpm blow count max 25 000 countsmin torque max 108 nm drill diameter in concrete 13 mm drill diameter in steel 10 mm drill diameter in wood 25 mm special features speed pre selection rightleft rotation soft handle power supply mains operation max bohrfutterspannweite 13 min bohrfutterspannweite 15 numb