Superior Parts SP 175560C Aftermarket Piston Driver for Bostitch MCN250 & MCN250S Nailer (Japanese Carbide Blade) - 175560
Aftermarket Bostitch Nailer Piston Driver. This is a generic replacement driver with o-ring for the Bostitch MCN250 & MCN250S Nailer. 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 C Hardness 64-66
Typically used in making professional grade dies, taps, punches and tooling
In field tests it lasts significantly longer than the US S7 Steel