Tools / Power Tools
Bosch GNH 18V-50 M Professional Cordless Nailer User Manual
Quick guide for the Bosch GNH 18V-50 M Professional cordless nailer, covering operation, maintenance, depth adjustment, and troubleshooting.
Table of contents
Quick guide from the manual
The Bosch GNH 18V-50 M Professional is a cordless nailer designed for driving nails into wood. It is not intended for use on metal or concrete. The tool features two actuation modes: single actuation with safety sequence and contact actuation with automatic return.
Operation
Switching On/Off: Press the on/off switch to activate the tool. The user interface will light up.
Single Actuation: Firmly position the outlet or workpiece protector against the workpiece until the discharge lock-off is fully pressed. Briefly press the trigger to discharge a nail. Lift the tool completely from the workpiece before the next shot.
Contact Actuation: Activate this mode via the mode button. Press and hold the trigger. Firmly position the outlet against the workpiece to discharge a nail. Keep the trigger pressed and lift the tool to reposition it for the next shot.
Maintenance and Cleaning
Always remove the battery before performing maintenance or changing accessories. Keep the tool and ventilation slots clean. Regularly clean the magazine and discharge lock-off mechanism with compressed air to prevent jamming.
Troubleshooting
If the tool is not ready for operation, check if the battery is charged and properly inserted, or if the magazine is empty. If the tool is ready but does not discharge nails, check for foreign objects in the outlet or magazine, or clear any jammed nails in the shot duct.
Manufacturer information
Bosch
Practical help
Common problems
Tool is not ready for operation
Check if the battery is charged, properly inserted, or if the magazine is empty. Ensure the discharge lock-off is not bent.
Tool is ready but no nails are discharged
Check for foreign objects in the outlet or magazine, clear any jammed nails, or ensure the magazine slider is not defective.
Nails are driven too deep
Adjust the depth stop using the thumbwheel in the '-' direction.
Nails are not driven deep enough
Adjust the depth stop using the thumbwheel in the '+' direction.
Before use
- Ensure the battery is fully charged and properly inserted.
- Check that the magazine is loaded with the correct type of nails.
- Verify that the safety and actuation devices are functioning correctly.
- Ensure all screws and nuts are tightly seated.
- Check the workpiece for hidden supply lines.
Specs in practice
- Rated voltage
- 18V DC, compatible with Bosch GBA 18V and ProCORE18V batteries.
- Max. magazine capacity
- 105 nails.
Model compatibility
- Use only original Bosch accessories.
- Only use fasteners specified in the 'Technical Data' table.
- Not suitable for driving nails into metal or concrete.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.