The Steering Shaft is a high-precision automotive drivetrain component designed to transmit torque accurately and ensure reliable steering performance. Manufactured from premium-grade 16MnCr5HH or ZF6 alloy steel, it offers exceptional strength and durability for demanding vehicle applications where safety and precision are critical. The component features advanced machining processes including spline hobbing, turning, and grinding to guarantee precise dimensional accuracy and smooth mechanical engagement. Its carburized surface provides surface hardness ranging from HRC 59–63, with a carburized case depth of 0.4–0.7 mm, and a core strength of at least 900 N/mm², ensuring excellent wear resistance and longevity. The outer diameter tolerance is ±8 microns, and it achieves a roundness accuracy of 0.003 mm with a surface roughness of Rz 0.7, minimizing vibrations and promoting smooth operation. Built using high-quality alloy steel, the steering shaft maintains high resistance to mechanical stress and wear, making it suitable for both OEM manufacturing and aftermarket replacements. Designed for applications such as passenger vehicle steering systems, truck steering assemblies, and vehicle repair, this steering shaft is ideal for auto manufacturers, repair workshops, and automotive engineers seeking dependable, high-precision components. The package includes one steering shaft; additional accessories and hardware are not included. Proper maintenance involves regular inspection and adherence to automotive service standards, including correct installation procedures and avoiding impacts to preserve performance. The steering shaft ensures secure torque transmission and long-lasting operation, supporting vehicle safety and precise steering. Trusted by automotive professionals, the steering shaft guarantees consistent quality, structural integrity, and reliable performance in critical vehicle steering systems.