... BSP,Metric,SAE,NPT Precision casting CNC machining Hydraulic FlangePrecision forging and CNC machiningWe are pursing to producing best ... fittingMaterialSteelStandardISO 6162-1/2Surface Treatmentzink coated and blackeningBoltGrade 8.9 and Grade 12.9SealingsNBR:-30C~100C; ... Greece,SpainPortugalSwissland,Finland,Czekh,Russia,Poland.Asia(40.5%):China,Korea,singapore,India,Turkey,Iran, Vietnam, Saudi Arabia ...