Cordless Impact Wrench GDS 18V-400 Professional

Bosch’s Powerful 400Nm Impact Wrench, where Power & Durability Come Together

Technical data
Additional data
Weight excl. battery 1.25   kg
Torque, max. 400   Nm
No-load speed 0-2,500   rpm
No-load speed (1st level) 0-0   rpm
No-load speed (2nd level) 0-0   rpm
No-load speed (3rd level) 0-0   rpm
Impact rate 0-3,700   bpm
Tool holder 1/2'' Square  
Breakaway torque, max. 600   Nm
Screw diameter
Screw diameter M 10 – M 20  
Total vibration values (Tightening screws and nuts of maximum permitted size)
Vibration emission value ah 10   m/s²
Uncertainty K 1.5   m/s²


Bosch’s Powerful 400Nm Impact Wrench, where Power & Durability Come Together

  • Most powerful device in the mid torque class
  • Ideal for various bolting applications
  • Powerful enough to tighten M20 bolts (30mm nuts) thanks to 400 Nm torque
  • Improved robustness thanks to higher lifetime of the critical components
  • Auto Bolt Release (ABR) feature makes disassembling easier by ensuring tool is automatically stop when nuts are loosen


Metalworking The professional power tools for metalworking from Bosch.
Construction The professional power tools for construction from Bosch.
Voltage 18 Volt
1/2" external square tool holder
Longer motor life - more runtime - more power thanks to brushless motor
Easy and precise control of the RPM thanks to variable speed
 Illuminating of the work area
Comfortable handling of the tool thanks to softgrip
Long motor lifetime Long motor lifetime because motor shuts off when overloaded, overheated or blocked
Forward / reverse rotation for inserting and removing screws
No load speed 0 - 2500 min-1/rpm
 When the bolt gets loosened enough, the tool stops the impact and rotation. This mode works only with pulling the trigger fully in counter-clockwise rotation.
What’s Included in this Package
with 2 x 5.0 Ah Li-ion battery
with 2 x 5.0 Ah Li-ion battery
Order number: 0 601 9K0 020
  • 2 x battery GBA 18V 5.0Ah 1 600 A00 2U5
  • Quick charger GAL 18V-40 Professional 1 600 A01 9RJ
The GDS 18V-400 in action!
Service Hotline

Have any questions about our repair and spare parts service?

Mon - Fri:

8:00 – 16.30

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

Application advice

Have any questions about Power Tool products and applications?

Mon - Fri:

8:00 – 16.30

Contact Person: Henry Oosthuizen
BSC Spares Requirements: +27 (11) 493 9375
landline number : +27(11) 651 9868
mobile number: +27(82) 773 5600


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