

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.




Standard Linear Hollow Shafts feature a consistent internal diameter throughout their length and represent the most common configuration for general linear motion applications. These shafts provide the fundamental benefits of weight reduction and internal passage capability while maintaining the strength and durability expected from high-quality motion components. The manufacturing process for these standard Linear Hollow Shafts ensures excellent concentricity between internal and external diameters, contributing to balanced operation and extended service life.
Through-Hole Linear Hollow Shafts are characterized by internal passages that extend completely through the shaft, creating continuous channels for hydraulic fluid, electrical wiring, or mechanical linkages. This configuration enables innovative system designs where components can be positioned at both ends of the assembly or where through-shaft fluid transfer is required. The through-hole design represents a sophisticated approach to Linear Hollow Shafts that expands their functionality beyond simple weight reduction.
Hard Chrome Plated Linear Hollow Shafts feature an electroplated chromium layer that provides exceptional corrosion resistance, reduced friction characteristics, and enhanced surface durability. This variant is particularly valuable in applications where the shafts are exposed to corrosive environments, require extended service life without maintenance, or must maintain precise dimensions under abrasive conditions. The combination of hollow construction and advanced surface treatment makes these Linear Hollow Shafts suitable for the most demanding applications.
Precision Ground Linear Hollow Shafts undergo an additional external finishing process that achieves superior surface quality and exact dimensional tolerances. This refinement process ensures optimal performance with bearing systems, reduces friction, and extends component life in precision motion systems. The precision grinding process applied to these Linear Hollow Shafts creates an ideal surface structure for retaining lubricants, further enhancing performance in reciprocating applications.


Significant Weight Reduction: The tubular construction of Linear Hollow Shafts typically provides substantial weight savings compared to solid shafts of equivalent diameter, reducing system inertia and enabling higher acceleration rates in dynamic applications. This weight reduction translates directly to reduced energy consumption, smaller supporting structures, and improved system responsiveness across various operating conditions.
Integrated Functional Passageways: The internal void within Linear Hollow Shafts creates natural conduits for hydraulic fluid transfer, electrical cabling, sensor connections, or mechanical linkages. This integrated approach eliminates the need for external routing 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 Linear Hollow Shafts creates an optimal balance between bending resistance and weight, resulting in components with superior strength-to-weight ratios. This engineering advantage allows for longer shaft lengths without intermediate support or larger diameter shafts without proportional weight increases, providing designers with enhanced flexibility in system architecture.
