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Bosch GDS 18V-400 Cordless Impact Wrench, 400Nm, 1/2″ Square Drive

Original price was: KSh55,000.00.Current price is: KSh53,500.00.

Bosch GDS 18V-400 Cordless Impact Wrench, 400Nm, 1/2″ Square Drive

Voltage
18V
Max Torque
400 Nm
Tool Holder
1/2″ External Square
Impact Rate
3,700 bpm
Description

Bosch GDS 18V-400 Impact Wrench

The Bosch GDS 18V-400 Wrench provides high-torque performance in a compact 18V cordless format. This 1/2-inch external square drive tool delivers a maximum tightening torque of 400 Nm, making it suitable for structural steelwork, scaffolding, and automotive assembly. The integrated Auto Bolt Release (ABR) technology improves efficiency during disassembly by stopping the tool automatically when the nut is loosened.

Built for the Job

Contractors in structural steel and scaffolding require a balance of portability and high torque. The 18V platform allows technicians to move freely across site without trailing leads. This specific model bridges the gap between light-duty drivers and heavy-duty 1000Nm units. It handles M12 and M16 bolts with ease. In scaffolding, the speed of fastening directly impacts project timelines. The durability of the gearbox ensures it survives the vibrations associated with high-impact metal-on-metal work. Mechanics also utilize this unit for suspension work and wheel nut removal where a 1/2-inch drive is standard.

  • Fastening M10 to M20 bolts in steel frame construction and bridge work.

  • Rapid assembly and disassembly of scaffolding systems and temporary structures.

  • Automotive maintenance including suspension components and wheel lug nuts.

Product Highlights

Torque Performance

The motor generates 400 Nm of tightening torque and 600 Nm of breakaway torque for stubborn fasteners.

Auto Bolt Release
  • Stops the tool when the bolt is loose to prevent nut drop.
  • Increases safety when working at height on scaffolding.
Cooling System

Advanced thermal management protects the motor and internal electronics during high-load cycles.

Technical Specifications

Specification Detail
Voltage 18V
Max Tightening Torque 400 Nm
Breakaway Torque 600 Nm
No-load Speed 0 – 2,500 rpm
Impact Rate 0 – 3,700 bpm
Tool Holder 1/2″ External Square

What’s Included

  • 1 x Bosch GDS 18V-400 Impact Wrench (Bare Tool)

  • 1 x Belt Clip for hands-free transport

On-Site & Workshop Notes

  • Always use impact-rated sockets with this equipment to prevent fracturing under high bpm loads.

  • The friction ring and pin hole system allows for both quick socket changes and secure locking for safety.

  • Monitor the ABR setting; while helpful for preventing nut loss, it should be toggled off for specific continuous rotation tasks.

  • Store the device in a dry environment to protect the electronic trigger and battery contacts from oxidation.

Additional information
Brand

Bosch

Voltage

18V

Max Torque

400 Nm

Breakaway Torque

600 Nm

Drive Size

1/2" Square

No-load Speed

0-2,500 rpm

Impact Rate

0-3,700 bpm

Bolt Range

M10 – M20

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