
Factory Directly Sale Precision Cold Drawn Seamless Hydraulic Cylinder Tubes. Precision Cold Drawn Technology: Manufactured using cold drawn seamless technique for high accuracy and strength. Customizable Bore Treatment: Options include honing, skiving, and roller burnishing to meet specific surface needs. Wide Size Range Availability: Inner diameters available from 32mm to 1600mm for various cylinder applications. High Precision Tolerance: Inner diameter tolerance controlled within H8 standard for optimal fit. Superior Surface Finish: Bore roughness maintained within Ra 0.4 for smooth operation and sealing. Versatile Material Options: Constructed from carbon steel suitable for hydraulic, automotive, and mining industries. Fast Delivery Time: Standard delivery completed within 25 days for most orders. Comprehensive After-Sales Support: 24-hour support available 7 days a week with a 12-month warranty.