

With years of experience in manufacturing Cold Drawn Seamless Tubes, we provide customer satisfaction through manufacturing and customization.
At Bos, we care about you and your company. We specialize in Cold Drawn Seamless Tube customization, material selection, and manufacturing, and provide excellent service according to your needs.




Exceptional Dimensional Accuracy: The cold drawing process employed in manufacturing Precision Mechanical Tubing creates products with remarkably tight dimensional tolerances, superior straightness, and excellent concentricity between inside and outside diameters. This precision translates directly to reduced machining time, improved assembly efficiency, and enhanced performance in final applications where precise clearances are critical.
Superior Surface Characteristics: The manufacturing process produces Precision Mechanical Tubing with exceptionally smooth surface finishes that reduce friction, minimize wear on sealing components, and enhance corrosion resistance. The improved surface integrity also reduces stress concentration points that can initiate fatigue failures, thereby extending service life in dynamic applications.
Enhanced Mechanical Properties: The cold working process inherently strengthens the material through strain hardening, resulting in Precision Mechanical Tubing with higher yield and tensile strengths compared to hot-formed alternatives. This strengthening effect allows for weight reduction in structural applications or enhanced safety margins in pressure-containing applications without requiring material changes.


Automotive and Transportation Systems: Steering components, shock absorber cylinders, axle tubes, and hydraulic brake cylinders rely extensively on Precision Mechanical Tubing for its dimensional consistency, strength characteristics, and reliable performance under dynamic loading conditions. The automotive industry's transition toward electric vehicles has created new applications for Precision Mechanical Tubing in battery structural components and electric motor housings.
Hydraulic and Pneumatic Equipment: Cylinder barrels, actuator housings, and accumulator shells utilize Precision Mechanical Tubing—particularly honed and chrome-plated varieties—for their exceptional surface characteristics, pressure containment capabilities, and reliable sealing surfaces. These applications demand the dimensional precision and surface quality that only high-grade Precision Mechanical Tubing can consistently provide.
Industrial Machinery and Automation Systems: Rollers, guides, bearing races, and linear motion components incorporate Precision Mechanical Tubing for its straightness, concentricity, and wear resistance. The precision inherent in these tubes enables the construction of machinery with tighter tolerances, higher speeds, and improved reliability in manufacturing environments.
