GDS 18V-1000 C impact wrench

18V Cordless Drilling & fastening Impact wrench

The GDS 18V-1000 C is a heavy duty cordless impact wrench manufactured by Bosch as part of the Bosch Professional product line.

The machine has a brushless electric motor that is powered by a 18 volt battery.

With a maximum torque of 1000 Nm for tightening and 1700 Nm for loosening this machine is suitable for loosening and tightening large nuts and bolts with threads of M14 up to M24.

Exterior

The tool has a blue plastic housing with black rubber mostly around the handle and along the back and the rear of the top side. The handle is placed in the middle under the motor for better tool balance.

The battery slides in from the front under the handle and there is an optional metal ladder hook attached to the side with a screw.

At the bottom of the handle is a white LED that illuminates the working area. The LED will automatically turn on. Around the LED are some membrane buttons with indicator LEDs to change the work mode.

In front of the motor housing is an aluminum hammer case of which is attached to the motor housing with four forward facing screws and tapers towards the front where it is covered in black rubber.

At the very front there is the 1/2" square drive on which sockets can be attached. The driver has a friction ring and pin detent to prevent sockets from falling off.

Operation

The machine is activated by pressing the variable speed trigger switch. The push button above it can be used to reverse the turning direction or as a trigger lock when the button is centered.

On the bottom of the handle there is a membrane button to cycle though the following power mode. The lower settings can be used on smaller screw diameters and prevent over tightening or breaking fasteners.

  1. 250 Nm, 800 RPM, 1600 BPM
  2. 650 Nm, 1300 RPM, 2300 BPM
  3. 1000 Nm, 1750 RPM, 2600 BPM

Next to the speed button is a work mode button which can toggle between A and B. The settings can be configured using a mobile phone with Bluetooth connectivity. The user manual does not specify what work modes are possible.

Bluetooth connectivity

The machine has a built-in wireless communication module in the handle that uses Bluetooth to connect to the Bosch Toolbox app on a smartphone to adjust some settings.

The module is located behind a round over on the side of the handle. The cover can be opened by twisting it with a coin. The module can be removed so that the machine can also be used in environments where wireless communications are restricted.

Variants