ZSQB Hydraulic Couplers Operating Pressure: 700 bar Hydraulic Couplers High flow rate and high pressure resistance. Dust cap include on all models. Model Number Female Model Male Model Dimension (mm) A Thread type B C D E F ZSQB-1/4T ZSQB-1/4TF ZSQB-1/4TM 58.5 1/4″-18NPT  28.6 30 26 Φ10 ZSQB-3/8J ZSQB-3/8JF ZSQB-3/8JM 59 3/8″-19PT 30.5 28 24 [...]