ISO 5676 trailer brake couplings are standard quick release couplings specifically designed for use on tractor hydraulic braking systems, allowing safe and reliable connection and disconnection between tractor and trailer lines. Available from Holmbury, FT Pro and DNP, these couplings are manufactured in carbon steel and steel with durable nitrile seals. Thread options include M18 and M22 metric, as well as BSP sizes from 1/8” to 3/4”.
