Superior SP 163816 Aftermarket Piston Driver Without O-ring for Bostitch NC89C, NC89C-1P, NC89C-HQ Framing Nailer

Aftermarket Bostitch Nailer Piston Driver. This is a generic replacement driver without o-ring for the Bostitch NC89C, NC89C-1P, NC89C-HQ Framing Nailers. 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.

Features:

• Heat treated tool steel 6150 - Rockwell hardness 50-52
• Aerospace grade #2024 Aluminum piston
• Mechanically locked piston driver interface