<![CDATA[EC21 Product Catalogs - h9]]> <![CDATA[Honed Cylinder Tubes SAE 1020 or ST52.3, Tolerance H8 or H9]]> <![CDATA[EN10305-1 E355+sr Precision Seamless Hydraulic Cylinder Honed Steel Tube]]> <![CDATA[ST52 Seamless Precision Steel Tubes]]> <![CDATA[Cylinder Tubes]]>