Bosch GSB 1600 RE Single Speed Impact Percussion Drill Bosch GSB 1600 RE 1-Speed Impact Drill complete with keyless chuck, auxiliary handle, depth stop and carry case. FEATURES Metal quick-change chuck Forward/reverse rotation Electronic control for exact pilot drilling Speed preselection with setting wheel Softgrip for a secure hold Spindle collar diameter of 43 mm (European standard) - can be used in drill stands SPECIFICATION Rated power input: 701 W No-load speed: 0 - 3.000 rpm Power output: 351 W Weight without cable: 1.9 kg Drill spindle connecting thread: 1/2\" - 20 UNF Chuck capacity: 13 mm Drilling dia. in concrete: 16 mm Drilling dia. in wood: 30 mm Drilling dia. in steel: 12 mm Drilling dia. in masonry: 18 mm