8mm to 1/4″ NPT Push-to-Connect Air Fittings – 5-Pack

Upgrade your pneumatic system with these **CEKER 8mm OD Push-to-Connect Air Fittings**, designed for quick, reliable connections between 8mm tubing and 1/4″ NPT threaded lines. Built for durability and performance, these fittings feature a **Nylon 6.6 body and stainless steel gripping ring**, ensuring secure tube retention while maintaining a leak-proof seal—ideal for both static and dynamic applications.

With a **working pressure of 0–150 psi (0–1.0 MPa)** and a **proof pressure of 435 psi (3.0 MPa)**, these fittings handle demanding industrial environments, including air and non-freezing water applications. The **elliptical sleeve design** allows for easy manual connection without tools, while the **D-seal and nitrile O-rings** provide corrosion resistance and long-lasting performance. Compatible with PU, PA, PE, and PVC tubing, these fittings are perfect for 3D printers, CNC machines, and other pneumatic systems—**not suitable for medical equipment**. Each pack includes **five male straight fittings**, ready for immediate use.