ISMT Limited manufactures Precision Hydraulic Cylinder Tube. ISMT Limited offers a wide range of precision seamless tubes and alloy steel tubular products for the Bearing, Automotive, Mining, General Engineering and Energy sectors. The Precision Hydraulic Cylinder Tube is produced through a process of cold-pilgering wherein the tube is heavily cold worked between moving dies resulting in an even surface finish and has extremely tight dimensional tolerances. The Precision Hydraulic Cylinder Tube can be directly honed to obtain the final finish and dimension required on the bore surface.