Fashionable Piston Driver Blade for Hitachi NR83AA Nailer Nail Gun Fine

Hitachi Framing Nailer Piston Driver. This is a generic driver with o-ring for the Hitachi NR83AA framing 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. to unscrew.

Features:

Will not fit the common NR83A this is for the NR83AA only

Heat treated tool steel 6150 - Rockwell hardness 50-52

Aerospace grade #2024 Aluminum piston

Mechanically locked piston driver interface