Bosch PSB 750 RCE Home Series Impact Drill + Case (750W, Bosch Constant Electronic, max. Drilling diameter concrete 14 mm) (Tools)
Had promised me a lot more of the Bosch 750W -Power. I had to drill 10 St. 10 mm holes in concrete slabs. However, after about 5! Holes was the chuck so hot that the plastic lining dissolved, the grip slipped and chuck the drill no longer held, even