<![CDATA[EC21 Product Catalogs - hone machine]]> <![CDATA[ST52 Seamless Precision Steel Tubes]]> <![CDATA[Bk+S Ready To Honed Tube, Pneumatic / Hydraulic Cylinder Tube ST52]]> <![CDATA[Honed Cylinder Tubes SAE 1020 or ST52.3, Tolerance H8 or H9]]>