Superior Parts SP 885-917 Aftermarket Piston Driver for Hitachi NR90AD / NR90ADPR Nailer – 884-957

Aftermarket Hitachi Nailer Piston Driver. This is a generic replacement driver with o-ring for the Hitachi NR90AD & NR90ADPR strip nail guns. This comes with a patented locking mechanism which will not allow the driver to unscrew from the piston. Aluminum is crimped into the UNI-LOK grooves of the shaft to prevent unscrewing. Guaranteed never to unscrew.

Features:

Heat treated tool steel 6150 – Rockwell hardness 50-52

Aerospace grade #2024 Aluminum piston

Mechanically locked piston driver interface

Compatible With:

Metabo HPT (Hitachi)

NR90AD Strip Nailer

NR90ADPR Strip Nailer