High-Precision Automotive Pin Shafts for Reliable Performance

Material: Stainless steel (e.g., SUS304 / SUS316), carbon steel (e.g., 45 steel), alloy steel (customizable)

Shape: Long cylindrical straight shaft structure, single-end knurling design (straight lines/grid lines)

Flat or slightly chamfered ends

Size Range: Diameter: φ2 mm – φ10 mm (customizable)

Length: 20 mm – 300mm (adjustable upon request), Tolerance: ±0.001 mm or higher precision

Internal Design: Solid Shaft structure,No hollow design, ensuring overall rigidity and strength

Surface Treatment: Polishing, electroplating (nickel/chrome plating), blackening, passivation

Manufacturing Process: CNC turning (CNC) Turning, precision knurling, fine grinding (optional), automated cutting and chamfering

Precision Engineering

Manufactured with advanced CNC machining technology, our automotive pin shafts deliver exceptional dimensional accuracy and consistent performance for demanding automotive applications.

Reliable Performance

Designed to provide stable positioning, smooth operation, and long-lasting durability, ensuring dependable performance in automotive assemblies and mechanical systems.

Superior Quality Control

Every pin shaft undergoes strict inspection procedures to maintain tight tolerances, excellent concentricity, and consistent product quality.

Custom Manufacturing

Available in various sizes, materials, and surface finishes to meet specific customer requirements, supporting both OEM and ODM projects.

Wide Automotive Applications

Widely used in automotive relays, transmission systems, actuators, locking mechanisms, and other precision automotive components.

Caiyi Precision Advantage

Backed by advanced production equipment, ISO-certified quality management, and years of machining expertise, Caiyi Precision provides high-quality pin shaft solutions with tolerances as tight as ±0.001mm.