Replacement Max Nailer Piston Driver assembly (Japanese Carbide Blade). This is a generic replacement driver with o-ring for the Max CN55 coil nail guns. This comes with a patent pending locking mechanism which will not allow the driver to unscrew from the piston. Aluminum is crimped into the unilok grooves of the shaft to prevent unscrewing. Guaranteed never to unscrew.
- Japanese Carbide Blade - SKH-9
- Heat treated to Rockwell hardness 64-66
- Aerospace grade #2024 Aluminum piston
- Mechanically locked piston driver interface
- In field tests it lasts significantly longer than