Technical information The BP series of quick couplings has been developed for hydraulic braking systems. It allows for a completely tight connection and prevents air from entering the system during connection and disconnection. Shape Straight - 2 sides of the connection Connector type No. 1 Quick connector Connector type No. 1 - male/female Female Connection diameter 30 mm Connector type No. 2 Thread Connector type No. 2 - male/female Female Connector No. 2 thread diameter M18 Connector No. 2 thread pitch 1.50 mm Connection thread type No. 2 Metric Outer diameter 40 mm Material Steel Surface treatment Galvanized Connection type Socket Material Galvanized steel Thread type Internal