Precision CNC Turned Stainless Steel Pin Shafts with Corrosion Resistance and Custom Tolerances
Stainless Steel Pin Shafts are precision-machined cylindrical components designed for positioning, alignment, rotation, pivoting, fastening, and mechanical connection. Manufactured through advanced precision CNC turning processes, these stainless steel shafts provide accurate dimensions, smooth surfaces, reliable mechanical strength, and consistent performance for a wide range of industrial applications.
Precision pin shafts and rotating shafts are commonly used in industrial machinery, automation equipment, automotive systems, mechanical assemblies, transmission mechanisms, electrical equipment, and precision instruments. Their accurately controlled diameter, length, concentricity, and surface finish help ensure proper fitting, smooth movement, and reliable operation of mating components.
Advanced CNC turning technology provides accurate control of shaft diameter, length, steps, grooves, threads, and other critical dimensions.
SUS304, SUS316, SUS303, 17-4PH, and other stainless steel grades are available for different mechanical and environmental requirements.
Controlled machining processes help achieve consistent dimensions and reliable fitting with bearings, gears, bushings, housings, and other mating components.
Precision turning, grinding, and polishing processes can produce smooth surfaces suitable for rotating, sliding, and positioning applications.
Stainless steel provides excellent resistance to corrosion and oxidation, making the shafts suitable for demanding industrial environments.
Accurate cylindrical geometry and controlled concentricity help support smooth rotation and stable mechanical movement.
Stepped sections, grooves, threads, holes, flats, keyways, chamfers, and knurled areas can be manufactured according to customer drawings.
Critical dimensions such as diameter, length, concentricity, roundness, and surface roughness can be controlled according to application requirements.
Customized materials, dimensions, tolerances, machining features, surface finishes, and packaging are available for OEM and ODM projects.
| Parameter | Specification |
|---|---|
| Product Name | Stainless Steel Pin Shafts |
| Product Type | Pin Shaft / Rotating Shaft / Precision Shaft / Rotary Part |
| Main Material | Stainless Steel |
| Common Material Grades | SUS304 / SUS316 / SUS303 |
| Optional Material | 17-4PH / Other Stainless Steel Grades |
| Manufacturing Process | CNC Turning / Precision Machining |
| Secondary Processes | Milling / Drilling / Tapping / Grinding / Polishing |
| Shaft Diameter | Customized |
| Shaft Length | Customized |
| Diameter Tolerance | Up to ±0.01mm or According to Drawing |
| Length Tolerance | Customized |
| Roundness | Customized |
| Straightness | Customized |
| Concentricity | Customized According to Application |
| Surface Roughness | Ra 0.8-3.2 μm or Customized |
| Shaft Structure | Straight / Stepped / Grooved / Threaded / Custom |
| Thread Type | Metric / Imperial / Customized |
| Thread Size | Customized |
| Groove | Customized |
| Keyway | Available |
| Internal Hole | Customized |
| Chamfer | Customized |
| Knurling | Available |
| Heat Treatment | Available According to Material |
| Surface Treatment | Polishing / Passivation / Electropolishing / Plating |
| Corrosion Resistance | Excellent |
| Wear Resistance | High / Customized |
| Mechanical Strength | Customized According to Material |
| Assembly Method | Press-Fit / Sliding Fit / Threaded / Mechanical Assembly |
| Application | Machinery / Automation / Automotive / Industrial Equipment |
| OEM Service | Available |
| ODM Service | Available |
| Prototype Service | Available |
| Quality Control | Dimensional / Material / Thread / Surface Inspection |
| Quality Standard | ISO9001 Quality Management System |
- Industrial Machinery: Stainless steel pin shafts are widely used in industrial machines for positioning, alignment, pivoting, rotation, and mechanical connection.
- Automation Equipment: Precision CNC turned shafts are suitable for automated production lines, robotic equipment, actuators, and motion mechanisms.
- Automotive Components: Custom stainless steel shafts can be used in automotive mechanisms, adjustment systems, locking components, and sensor assemblies.
- Mechanical Transmission: Rotating shafts and precision pins can be integrated into gears, rollers, pulleys, linkages, and transmission mechanisms.
- Electrical Equipment: Small precision shafts can be used in switches, control mechanisms, and electrical devices requiring compact components.
- Pumps and Valves: Stainless steel pin and rotating shafts can be used in selected pump and valve mechanisms.
- Measuring Instruments: Precision-machined shafts are suitable for measuring instruments and testing equipment.
- Industrial Fixtures: Pin shafts can function as locating pins, pivot pins, guide shafts, and positioning elements.
We provide professional custom stainless steel shaft machining services for precision mechanical components and industrial applications.
- SUS304 Stainless Steel
- SUS316 Stainless Steel
- SUS303 Stainless Steel
- 17-4PH Stainless Steel
- Other specified stainless steel grades
We manufacture components according to customized shaft diameter, overall length, step diameter, step length, groove dimensions, hole diameter, thread dimensions, chamfer dimensions, and keyway dimensions.
- Straight shafts
- Stepped shafts
- Grooved shafts
- Threaded shafts
- Locating pins
- Pivot pins
- Internal holes
- External threads
- Flats
- Keyways
- Knurled sections
- Chamfers
- Special profiles
Available finishing processes include precision grinding, polishing, passivation, electropolishing, brushing, and plating.
For high-precision applications, critical characteristics can be controlled according to the customer's drawing, including diameter tolerance, length tolerance, roundness, straightness, concentricity, surface roughness, and thread accuracy.
We support the complete production cycle from prototype development and sample machining to small-batch and mass production, helping customers maintain consistent quality throughout the project.
Our engineering team provides technical assistance with material selection, shaft structure optimization, tolerance analysis, machining feasibility, and production process development.
Customers can provide 2D technical drawings, 3D CAD files, physical samples, or product specifications. Our engineers can review the design and recommend suitable machining processes and production methods.
Prototype and sample production is available to verify dimensions, fit, surface finish, mechanical performance, and assembly compatibility before mass production.
Our machining capabilities include CNC turning, CNC milling, drilling, tapping, grinding, polishing, deburring, heat treatment, and surface treatment.
Our quality control procedures can include raw material inspection, material certificate verification, dimensional inspection, diameter inspection, length inspection, thread inspection, concentricity inspection, roundness inspection, surface roughness inspection, visual inspection, and final inspection.
We provide customized manufacturing solutions for machinery manufacturers, automation companies, automotive suppliers, electrical equipment manufacturers, industrial equipment companies, and component distributors.
Precision stainless steel shafts are carefully packaged to protect them from scratches, impact, moisture, corrosion, and deformation during transportation. Standard packaging may include PE bags, protective sleeves, foam separators, plastic trays, inner cartons, and export-grade cartons.
Customized packaging can include customer logo, product labels, part numbers, barcode labels, individual packaging, and customized quantities per package.
We support express shipping, air freight, and sea freight. The shipping method can be selected according to order quantity, product dimensions, delivery requirements, and destination.
Protective separators and suitable packaging materials help prevent metal-to-metal contact, surface scratches, corrosion, and other transportation damage.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.