

With years of experience in manufacturing the Hollow Chrome Bar, we provide customer satisfaction through manufacturing and customization.
At Bos, we care about you and your company. We specialize in customizing, material selection, and manufacturing the Hollow Chrome Bar, and provide excellent service according to your needs.




Integrated Functional Passageways: The internal void within Hollow Piston Rods creates natural conduits for hydraulic fluid transfer, electrical cabling, sensor connections, or mechanical linkages. This integrated approach eliminates the need for external plumbing in many applications, resulting in cleaner system designs, reduced potential leak points, and enhanced protection for sensitive components.
Optimized Structural Efficiency: The strategic distribution of material in Hollow Piston Rods creates an optimal balance between bending resistance and weight, resulting in components with superior strength-to-weight ratios. This engineering advantage allows for longer rod lengths without intermediate support or larger diameter rods without proportional weight increases, providing designers with enhanced flexibility in system architecture.
Improved Heat Dissipation: The increased surface area and internal cavity of Hollow Piston Rods facilitate more efficient heat transfer from the rod surface to the surrounding environment or through internal fluid circulation. This thermal management capability contributes to more stable operating temperatures in high-duty-cycle applications, reducing thermal expansion issues and maintaining consistent performance over extended operating periods.


Mobile Hydraulic Equipment: Construction machinery, agricultural equipment, and material handling vehicles utilize Hollow Piston Rods for cylinder applications where weight reduction directly impacts fuel efficiency and payload capacity. The internal passages in these rods often serve as conduits for hydraulic fluid to auxiliary functions or provide routing for sensors and wiring in sophisticated control systems.
Industrial Automation Systems: Robotics, press brakes, injection molding machines, and other industrial automation equipment employ Hollow Piston Rods for their combination of strength, weight savings, and integrated functionality. The through-hole variants particularly benefit applications where utilities must pass through the cylinder to end-of-arm tooling or where space constraints prohibit external routing.
Aerospace and Defense Applications: Aircraft landing gear, flight control systems, and military vehicle hydraulics utilize specialized Hollow Piston Rods for their critical weight-saving advantages and reliability in extreme operating conditions. The stringent requirements of these applications demand the highest standards in material quality, manufacturing precision, and performance verification.
