General description The BOSCH GSB 21-2 RE 110V Percussion Drill is a powerful tool designed for heavy-duty applications. With a high-performance 1100 Watt motor and a sturdy metal gear housing, it ensures durability and efficiency in various tasks such as drilling, screwdriving, and stirring. The drill features a single-sleeve keyless chuck with Auto-Lock for quick accessory changes and an anti-rotation mechanical overload clutch for enhanced safety during operation. Technical specifications Rated power input: 1,100 W No-load speed: 0 – 900 / 3,000 rpm Power output: 630 W Weight: 2.85 kg Rated speed: 0 – 580 / 1,900 rpm Torque (soft screwdriving applications): 40.0 / 14.5 Nm Rated torque: 9.6 / 3.2 Nm Drill spindle connecting thread: 1/2" – 20 UNF Chuck capacity: 1.5 – 13 mm Impact rate at no-load speed: 0 – 15,300 / 51,000 bpm Max. torque: 40.0 / 14.5 Nm Drilling diameter in concrete: 22 / 13 mm Drilling diameter in wood: 40 / 25 mm Drilling diameter in steel: 16 / 8 mm Drilling