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

Bosch Heavy Duty Bosch Heavy Duty - Power, Performance and Robustness redefined!
Best work results with constant speed thanks to electronic regulation of speed - even under load
 Various torque settings to provide precise control.
Protection of the user and the machine in case of overload or binding No abrupt blockage of the tool by unlatching clutch dogs and minimizing torque
Convenient change of accessories Keyless chuck opens and closes easily

Your Selection

  • in carrying case with auxiliary handle
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in carrying case with auxiliary handle 0 601 19C 740

GSB 21-2 RCT Professional

Your Selection

GSB 21-2 RCT
in carrying case with auxiliary handle

Order number: 0 601 19C 740

Find a local dealer

Included in this variant

  • Carrying case
    Order number: 2 605 438 524
  • Keyless chuck 13 mm
    Order number: 2 608 572 150
  • Auxiliary handle
    Order number: 2 602 025 193
  • Depth stop 210 mm
    Order number: 1 613 001 010

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
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GSB 21-2 RCT

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.

Service Hotline

Phone number

1800 333 8 333

Have any questions about our repair and spare parts service?

Monday – Friday:
8.30 - 17.30