Nominal received power 1,000 W Output power 530 W Max. torque (1st gear / 2nd gear) 60.0 / 18.0 Nm Idle speed (1st gear / 2nd gear) 50 - 1,100 / 2,800 min-1 Number of strokes 47,600 min-1 Drilling dimensions Max . drill diameter in concrete (1st gear / 2nd gear) 20/13 mm Max. drill diameter in steel (1st gear / 2nd gear) 16/8 mm Max. drill diameter in wood (1st gear / 2nd gear) 40/25 mm Max. Screw Ø 12 mm Functions Bosch Auto-Lock Speed selection Bosch constant electronics Microfilter drilling system Direction of rotation right / left Bosch electronics Soft grip AST: drills, Hilti