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Superior Parts SP 878-309C

  • SP 878-309C

Superior Parts SP 878-309C

Aftermarket Piston Driver for Hitachi NV65AC - 878-309 (Japanese Carbide Blade)

Product category:  Piston Driver Assemblies

Model number:   SP 878-309C

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Product Description

Aftermarket Hitachi Nailer Piston Driver. This is a generic replacement driver with o-ring for the Hitachi NV65AC coil nail gun. 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 the US S7 steel