... Treatment:Cr+3, Cr+6 yellow zinc plated or white zinc plated 3.Size Range:Full Size Hydraulic Fitting ... unions, crosses, flanges, plugs, backnuts, crosses over, round caps etc.MaterialMalleable ironTechnicsCastingSize1/8"-6"Thread StandardBS ANSI DINFinishElectro ... , unions, crosses, flanges, plugs, backnuts, crosses over, round caps, etc.Size18"-6"Thread StandardBS ANSI & DINFinishBlack, Eclectic ...