Superior Parts SP KN70164C Aftermarket Piston Driver Without O-Ring for Max Nailer SN883RH2 - (Japanese Carbide Blade) (4-pack)

The Superior Parts SP KN70164C Aftermarket Piston Driver is a high-quality replacement component designed specifically for the Max SN883RH2 nail gun. This piston driver is notable for its absence of an O-ring, which simplifies installation and maintenance. It features a patent-pending locking mechanism that ensures the driver remains securely attached to the piston, preventing any unscrewing during operation. Constructed from aerospace-grade #2024 aluminum, this piston driver is both lightweight and durable. The blade is made from Japanese Carbide SKH-9, which has been heat-treated to achieve a Rockwell C hardness of 64-66, making it exceptionally resilient and long-lasting. This material choice allows it to outperform traditional US S7 steel in field tests, ensuring a longer lifespan in demanding applications. The design also incorporates crimped aluminum into the unilok grooves of the shaft, further enhancing its reliability and performance in professional-grade tasks.