Impact drills




GSB 21-2 RCT Professional
Impact Drill
The most powerful tool in its class with Constant Electronic and Torque Control for the toughest applications
- Bosch high-performance motor (1300 W) with high torque for the most heavy-duty applications with large diameters (drilling, working with core cutters and holesaws), screwdriving and stirring
- Constant Electronic for more convenient work: keeps the speed constant, even under load
- Torque Control for high precision: torque preselection for uniform screwdriving
Functions & key features





in carrying case with auxiliary handle
0 601 19C 740
GSB 21-2 RCT Professional
Technical data
Additional data
Rated input power
1300 W
Bit holder
1/2"-20 UNF
No-load speed, 1st gear
0 – 900 rpm
No-load speed, 2nd gear
3,000 rpm
Power output
695 W
Weight
2.85 kg
Impact rate at no-load speed
0 – 15,300 / 51,000 bpm
Rated speed
3,000 rpm
Rated torque
7.8 / 2.6 Nm
Drill spindle connecting thread
1/2"-20 UNF
Chuck capacity, min./max.
1.5 – 13 mm
Max. torque
43.0 Nm

* You can find more information about the deviations in the following link:
GSB 21-2 RCT Professional: Further information
Product Highlights
The GSB 21-2 RCT Professional is a 2-gear corded impact drill with constant speed and torque control designed for the toughest jobs. Its strong 1,300 W motor with high torque makes it ideal for heavy-duty applications. It features constant speed that conveniently maintains the selected work speed even under intense load. The impact drill’s torque control enables torque pre-selection for high precision work.
Equipment & Application
This tool is intended for drilling in concrete, stone, and masonry. It is compatible with the dust attachment GDE 16 Cyl Professional.