Bosch GDX 18V-285 Cordless Impact Wrench Product Data Sheet
Quick guide for the Bosch GDX 18V-285 cordless impact wrench, featuring technical specifications, torque settings, and key performance advantages.
Table of contents
Quick guide from the manual
This document serves as a product data sheet for the Bosch GDX 18V-285 cordless impact wrench. It provides essential technical specifications, performance data, and key advantages of the tool for professional use.
Device Description
The GDX 18V-285 is a powerful cordless impact wrench designed for driving bolts and screws. It features a unique 2-in-1 tool holder, combining a 1/2-inch square drive with a 1/4-inch hex bit holder, allowing for versatile fastening tasks without changing tools.

Key Features
- 2-in-1 Tool Holder: Saves time by accommodating both bolts and screws.
- High Performance: Delivers up to 285 Nm of torque.
- Speed Selection: Two speed/torque levels to handle both heavy-duty and sensitive tasks.
- Ergonomics: Designed with a slim grip and soft-grip surface for comfortable long-term operation.
Technical Data
- Battery Voltage: 18.0 V
- Max Torque: 285 Nm
- Max Breakaway Torque: 500 Nm
- No-load Speed: 0-2,800 rpm (Level 1: 0-2,000 rpm; Level 2: 0-2,800 rpm)
- Impact Rate: 0-3,600 bpm (Level 1: 0-3,000 bpm; Level 2: 0-3,600 bpm)
- Weight (excl. battery): 1.1 kg
- Weight (incl. battery): 1.13 kg
Safety and Vibration
When tightening screws and nuts of the maximum permissible size, the vibration emission value is 15.8 m/s² with an uncertainty (K) of 1.5 m/s².
Contact Information
For further information, visit the official website at www.bosch-professional.com.
Official resources from the manual
Manufacturer information
Bosch
Practical help
Common problems
Switch from the high-speed setting to the lower torque/speed setting (Level 1) for better control.
Utilize the integrated 2-in-1 tool holder which features both a 1/2-inch square drive and a 1/4-inch hex bit holder.
Before use
- Ensure an 18V Bosch Professional battery is fully charged.
- Verify the correct bit or socket is securely attached to the 2-in-1 holder.
- Select the appropriate torque level (1 or 2) based on the application.
- Check that the tool grip is clean and dry for optimal handling.
Specs in practice
- Max Torque (285 Nm)
- The maximum rotational force the tool can apply for tightening.
- Breakaway Torque (500 Nm)
- The maximum force the tool can exert to loosen stuck or rusted fasteners.
- Impact Rate (0-3,600 bpm)
- The number of impacts per minute, which increases driving efficiency.
Model compatibility
- Compatible with the Bosch Professional 18V System.
- Tool holder accepts 1/2-inch square drive and 1/4-inch hex bits.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.