high-precision automotive pin shafts
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high-precision automotive pin shafts custom
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high-precision automotive pin shafts
high-precision automotive pin shaft detail
high-precision automotive pin shafts custom
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Precision CNC Components for Consumer Electronics
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Swiss-Type Machined Automotive Shafts for Critical Components
Swiss-Type Machined Automotive Shafts for Critical Components

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

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Description

Industrial CNC Precision Machining with ±0.001 mm Accuracy

Caiyi manufactures automotive pin shafts using advanced multi-axis CNC machining technology.
Our production lines support high-volume manufacturing with consistent machining quality.
Moreover, every shaft meets strict dimensional requirements for reliable assembly.
We control concentricity to reduce friction during mechanical operation.
As a result, each component delivers smooth motion in actuators and gear transmission systems.

ISO-Certified Quality Control and Premium Materials

We inspect every automotive pin shaft throughout the production process.
Therefore, each batch meets strict quality and dimensional standards.

Precision Machining Accuracy

We maintain dimensional tolerances of up to ±0.001 mm.
This accuracy supports reliable press-fit and slip-fit assemblies.
Additionally, precise machining improves installation efficiency and product consistency.

High-Quality Metal Materials

We machine premium steel, stainless steel, brass, copper, and alloy materials.
Furthermore, we provide customized heat treatment and surface finishing services.
These options improve wear resistance, corrosion resistance, and service life.

Comprehensive Quality Inspection

Our team performs automated and optical inspections on every production batch.
We verify dimensions, surface finish, concentricity, and material consistency.
As a result, customers receive stable quality across every shipment.

Flexible OEM and ODM Precision Machining Services

Caiyi provides custom machining solutions for automotive manufacturers and industrial equipment suppliers.

Custom Sizes and Surface Treatments

We manufacture parts according to your drawings or 3D CAD files.
Additionally, we customize shaft diameters, lengths, chamfers, grooves, and coatings.
This flexibility supports unique application requirements across multiple industries.

Reliable Manufacturing and Global Supply

Our ISO-certified factory maintains stable production schedules and consistent quality.
Moreover, we provide complete material traceability for every production order.
We also support efficient international shipping and global OEM supply programs.

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