Superior Parts SP 878-428C Aftermarket Hitachi Piston Driver Assembly. Equipped with Japanese Carbide and O-Ring Assembly. Fits NV83A, NV83A2, NV83A3 Nailers. Aluminum is crimped into the Unilok grooves of the shaft to prevent unscrewing. The UNI-LOK piston driver is designed to ensure that our Piston Driver Assembly remains securely fastened and guaranteed to never 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
• Aerospace grade #2024 Aluminum piston
• Mechanically locked piston driver interface
• Replaces Hitachi 878-428 & 888-160

Compatible With:

Metabo HPT (Hitachi)

• NV83A2 Full Round Head Coil Nailer
• NV83A 3-1/4" Full Head, Framing Coil Nailer
• NV83A14 Nailer
• NV83A3 Nailer
• NV83A4 Nailer
• NV83A5M 3-1/4 Inch Coil Framing Nailer