Superior Parts SP 878-309C Aftermarket Piston Driver for Hitachi NV65AC - 878-309 (Japanese Carbide Blade)
Aftermarket Hitachi Nailer Piston Driver. This is a generic replacement driver with o-ring for the Hitachi NV65AC coil nail gun. Aluminum is crimped into the UNI-LOK grooves of the shaft to prevent unscrewing. Hardened steel lock tite and micro-mechanically locked piston driver interface. Guaranteed never to unscrew.
Features:
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 the US S7 Steel