Bosch GNH 18V-50 M Professional Cordless Nailer User Manual
Quick guide for the Bosch GNH 18V-50 M Professional Cordless Nailer. Includes setup, operation, maintenance, and troubleshooting steps.
Table of contents
Manual images
Jump to the sectionQuick guide from the manual
This manual provides essential information for the Bosch GNH 18V-50 M Professional Cordless Nailer. Always read the safety instructions before use.

Product Description
The GNH 18V-50 M is a cordless nailer designed for driving nails into wood. It is not intended for use on metal or concrete.
Assembly and Loading
Important: Always remove the battery before performing maintenance, changing accessories, or storing the tool.

- Press the switch (13) to open the magazine.
- Insert the nail strip (19) into the top left part of the magazine (14).
- Pull the magazine slider (18) to the beginning of the magazine until it engages.
Operation
The tool features two actuation systems:

- Single actuation with safety run: The discharge lock-off (2) must be pressed against the workpiece before pulling the trigger (6).
- Contact actuation with automatic return: The trigger (6) is pulled first, then the discharge lock-off (2) is pressed against the workpiece.
Maintenance and Troubleshooting
Regularly clean the magazine and discharge lock-off with compressed air. If a nail jams, switch off the tool, remove the battery, and open the shot duct using the clamping lever (3).

Manufacturer information
Bosch
Practical help
Common problems
Check battery charge, ensure it is properly inserted, or check for mechanical faults.
Check for jammed nails, empty magazine, or incorrect actuation sequence.
Adjust depth stop using the thumbwheel (5) in the '-' direction.
Before use
- Check battery charge
- Ensure magazine is loaded correctly
- Verify safety and actuation devices function
- Check for jammed nails
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.