Stucchi Firg Flat Face Male Coupling 1/2" BSP – ISO 16028 quick couplers engineered for high-performance, leak-free hydraulic connections. Designed for industrial, agricultural, and mobile equipment, FIRG couplers reduce spillage, resist contamination, and support high flow rates under pressure. Available in BSP, NPT, and SAE threads with durable zinc or QPQ plating.