- Material: Stainless steel (SUS304 / SUS316), carbon steel (45 steel), or alloy steel, customizable according to requirements.
- Shape: Long cylindrical structure with an internally threaded end, flat or slightly chamfered ends.
- Size Range: Diameter: φ2–20 mm; Length: 20–40 mm, customizable according to drawings.
- Internal Design: Solid cylindrical body with an internal threaded bore for secure fastening and assembly.
- Tolerance: Up to ±0.001 mm precision, subject to material, geometry, and machining requirements.
- Surface Treatment: Polishing, nickel plating, chrome plating, blackening, or passivation, depending on material compatibility.
- Manufacturing Process: CNC turning, precision threading, fine grinding (optional), automated cutting, and chamfering.
Precision CNC Machined Stainless Steel Threaded Sleeves
CAIYI specializes in manufacturing precision CNC machined stainless steel threaded sleeves for industrial equipment, mechanical assemblies, and custom hardware applications. Featuring a slender cylindrical structure with an internally threaded bore, these components are designed for secure fastening, reliable connections, and precise assembly.
Key Product Features
- Material: Stainless steel, with material grades available according to customer requirements.
- Structure: Cylindrical sleeve design with an internal threaded hole.
- Precision Machining: CNC turning and precision drilling to meet specified dimensional and threading requirements.
- Surface Finish: Machined finish, with additional surface treatments available upon request.
- Customization: Custom dimensions, thread specifications, lengths, and tolerances based on drawings or samples.
- Applications: Industrial machinery, mechanical assemblies, equipment fastening systems, and custom precision components.
Custom CNC Machining Services
With extensive experience in precision metal machining, CAIYI provides OEM and ODM manufacturing services for custom stainless steel threaded components. We focus on dimensional consistency, reliable thread quality, and stable production for B2B customers.
Contact CAIYI today to discuss your drawings, technical specifications, and bulk production requirements. Request a quote for your custom CNC machined parts.

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