Superior Parts SP 120075 Piston Driver Assembly without O-Ring for Bostitch BT200 Replaces Bostitch 120075. Aluminum is crimped into the Unilok grooves of the shaft to prevent unscrewing. Our patent-pending UNILOK piston/driver is to unscrew our Aftermarket Piston Driver Assemblies. This Driver comes without O-Ring.

Features:

Heat treated tool steel 6150 - Rockwell hardness 50-52

Aerospace grade #2024 Aluminum piston

Mechanically locked piston driver interface

Compatible with:

Bostitch

BT200 Industrial Oil- Brad Nailer