... Name:Metric Flat Seal FittingsMaterial:Carbon Steel, Stainless Steel, Brass,alloy steel etc;Surface:Cr+3 or Cr+6 ... , Hydraulic adapter, Hydrualic connections, hydraulic 3-piece suit, union tee, union cross, etc, details comes below:1) Ferrule, matched ... , GB etc2) Metric Fitting Flat Seal Fitting, Mulit-seal fitting, spherical seal fitting, 60° Cone seal fitting, 74° cone seal fitting, 24°cone O-ring ...