Upgrade your pneumatic and fluid transfer systems with our high-performance Nitto Kohki Hi Cupla Stainless Steel Quick Connect Couplers. Crafted from premium 304 stainless steel, these fittings are engineered for long-lasting durability and excellent corrosion resistance, even in extreme environments. Designed for seamless connections, the Hi Cupla socket with hose barb makes installation fast and tool-free—ideal for both air and water line applications. These couplers adapt easily to various hose sizes, making them perfect for versatile use across industrial, workshop, and commercial settings. When you need leak-free, secure connections under high pressure, trust Nitto Kohki to deliver unmatched reliability.
- Nitto Series: Standard Hi Cupla.
- Size Range: 8mm x 15mm (¼″ x ½″).
- Type: Hose Barb x Quick Connect Socket.
- Suitable Applications: Air & Water.
- Material: 304 Stainless Steel.
- Certifications: ISO 9001 & ISO 14001 Certified.




















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