... Cylinder, Piston Rod, Cylinder Head, Shaft Nut, Cushion Collar, Collar, Bushing Main paramenter of oil tank: 1, Oil tank rated pressure ... tank7, Connection of oil inletSpecification: diameter of cylinder 30-60mm wall thickness 3-50mmMaterials: 20 45 16Mn 27Si Mn 20Mn2Standard: GB8713 ... Cylinder, Piston Rod, Cylinder Head, Shaft Nut, Cushion Collar, Collar, Bushing