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

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
Optimized torque for screwdriving and speed for drilling thanks to 2-speed planetary gearbox

Your Selection

  • in carrying case with auxiliary handle
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5,599.00 ZAR
Recommended retail price including VAT

Available in 5 onlineshop(s)

Buy now

in carrying case with auxiliary handle 0 601 19C 700
5,599.00 ZAR
Recommended retail price including VAT

GSB 21-2 RCT Professional

Your Selection

GSB 21-2 RCT
in carrying case with auxiliary handle

Order number: 0 601 19C 700

5,599.00 ZAR
Recommended retail price including VAT
Buy now

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 powernull 1300 W
Voltage, electricalnull 230 V
Spindle collar diameternull 0 mm
Bit holdernull 1/2"-20 UNF
No-load speed, 1st gearnull 0 – 900 rpm
No-load speed, 2nd gearnull 3,000 rpm
Power outputnull 695 W
Weightnull 2.85 kg
Impact rate at no-load speednull 0 – 15,300 / 51,000 bpm
Rated speednull 3,000 rpm
Rated torquenull 7.8 / 2.6 Nm
Drill spindle connecting threadnull 1/2"-20 UNF
Chuck capacity, min./max.null 1.5 – 13 mm
Max. torquenull 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.

Repair Hotline

Have any questions about our repair and spare parts service?

Mon - Fri:

8:00 am – 5:00 pm

BSC Johannesburg Tel: +27 11 493-9375
BSC Cape Town Tel: +27 21 551-2577
BSC Natal Tel: +27 31 701-2120

User Hotline

Have any queries on pricing, dealers or product recommendation?

Mon - Fri:

8:00 am – 5:00 pm

+27 11 651-7863


Here you will receive answers to the most frequently asked questions.