This 1/2" BSP female thread coupling is designed for heavy-duty, high-flow applications requiring maximum air delivery. The larger 1/2" BSP parallel thread size makes it the ideal choice for high-demand air tools such as large impact wrenches, sandblasters, larger spray equipment, and industrial pneumatic machinery where unrestricted airflow is essential. Constructed from hard-wearing steel with zinc passivation, this coupling offers exceptional corrosion resistance and longevity in demanding industrial environments. Having been tested to over 1 million cycles, it provides proven reliability for continuous professional use. The high-flow design maximises air delivery to ensure your most powerful tools perform at their peak, whilst compatibility with most popular industrial and European adaptor profiles including Cejn and Rectus systems ensures versatile integration into existing air line setups. Features and Benefits: • 1/2" BSP parallel thread for maximum airflow • Perfect for heavy-duty, high-demand air tools • Robust steel construction with zinc passivation • Tested to over 1 million cycles • Compatible with Cejn, Rectus and other European profiles Specifications: Max Burst Pressure: 2030psi (140bar) Max Working Pressure: 500psi (35bar) Nominal Flow Diameter: 7.4mm Temperature Range: -40 to 100°C Test Pressure: 725psi (50bar) Pressure Drop: 0.5bar = 78cfm (2200L/min) Contents: 1 x 1/2" BSP Parallel Euro Coupling Female Thread (Sold Loose)