Dongguan Changxinda Precision Technology Co., Ltd. is a leading CNC machining expert specializing in high-precision turned components for industrial automation, mechanical engineering, and equipment manufacturing applications. With 18+ years of manufacturing experience, the company has established itself as a trusted partner for precision component manufacturers, automation system integrators, and industrial equipment producers worldwide. This stainless steel precision bushing exemplifies the precision engineering and manufacturing excellence that defines Changxinda's capabilities, delivering a high-quality cylindrical component for demanding industrial applications.
The precision stainless steel bushing is a cylindrical turned component featuring a precision-machined through-bore and a distinctive knurled outer surface pattern. The knurled exterior provides enhanced grip for manual installation, adjustment, and removal operations, making the component ideal for applications requiring frequent handling or adjustment. The knurling pattern is precisely cut using specialized lathe tooling, ensuring uniform depth, spacing, and sharpness across the entire grip surface. The interior bore is precision-bored to tight tolerances, providing accurate dimensions for shaft fit, bearing installation, or component alignment in assembled mechanisms.
Manufactured using advanced CNC lathe machining technology, this bushing achieves exceptional precision and surface finish quality. The CNC lathe enables single-setup production of all features including the outer cylindrical surface, knurling pattern, end faces, and internal bore, ensuring perfect concentricity and dimensional accuracy throughout. The turning process achieves tight tolerances of +/-0.01mm on critical dimensions including the bore diameter, outer diameter, and overall length. Surface finishes on the bore and outer diameter are controlled to provide smooth, accurate contact surfaces suitable for precision assembly operations.
Stainless steel construction provides excellent corrosion resistance, high mechanical strength, and good wear characteristics for long service life in demanding environments. The material selection makes this bushing suitable for applications exposed to moisture, chemicals, temperature variations, and mechanical stress. Common stainless steel grades used for similar applications include 303 for free-machining characteristics, 304 for general corrosion resistance, and 316 for enhanced corrosion resistance in marine or chemical environments. The material also provides good thermal stability for applications involving temperature variations and maintains dimensional accuracy under mechanical loading.
The precision manufacturing process supports a wide range of sizes and configurations to meet specific application requirements. Standard configurations include various bore diameters, outer diameters, lengths, and knurling patterns. Custom features such as additional through-holes, slots, threads, or specialized end profiles can be incorporated based on customer specifications. The CNC lathe production system enables rapid prototyping and efficient transition to volume production, supporting both development programs and ongoing manufacturing requirements. The component is suitable for applications including mechanical assemblies, adjustment mechanisms, control devices, and various industrial equipment.
Changxinda's manufacturing expertise in precision turned components extends beyond part production to comprehensive engineering support for component specification and application. Our team works with customers to specify appropriate materials, dimensions, tolerances, and surface treatments for specific operating requirements. With ISO 9001:2015 certification, 30+ skilled technicians, and advanced quality control including CMM inspection and surface finish measurement, we deliver the precision, reliability, and technical expertise required for mission-critical industrial components. Whether you need prototype development for new equipment or high-volume production for established product lines, our CNC lathe expert team provides fast delivery, responsive communication, and manufacturing excellence that has resulted in many successful cooperation cases with satisfied customers worldwide.
Key Features
- CNC lathe expert with 18+ years precision manufacturing experience
- Stainless steel construction for corrosion resistance and durability
- Precision knurled outer surface for enhanced grip
- CNC lathe machining for accurate concentricity and tolerances
- Single-setup production of all features
- Precision-machined through-bore for shaft or bearing fit
- +/-0.01mm precision tolerance on critical dimensions
- Controlled surface finish on bore and outer diameter
- Uniform knurl pattern for consistent grip performance
- Various stainless steel grades available (303, 304, 316)
- Custom sizes and configurations to specification
- High mechanical strength and wear resistance
- Good thermal stability for temperature-varying applications
- Suitable for manual installation and adjustment
- Precision assembly fit for industrial mechanisms
- ISO 9001:2015 certified quality management
- CMM inspection for dimensional verification
- Surface finish measurement and documentation
- Flexible production from prototypes to high volume
- Fast delivery with responsive project management
Benefits
- Enhanced Grip: Knurled surface provides secure manual handling for installation and adjustment operations
- Corrosion Resistance: Stainless steel construction ensures long service life in harsh environments
- Precision Fit: Tight-tolerance boring ensures accurate shaft fit and proper component alignment
- Single-Setup Accuracy: CNC lathe production maintains perfect concentricity throughout the component
- Material Versatility: Multiple stainless steel grades available for specific environmental requirements
- Custom Configuration: Flexible manufacturing supports various sizes, features, and special requirements
- Long Service Life: Wear-resistant material and precision manufacturing ensure durable performance
- Quality Consistency: Statistical process control and inspection ensure uniform quality across production batches
Applications
- Industrial Automation: Adjustment bushings, control mechanisms, and component spacing elements
- Mechanical Assemblies: Shaft support bushings, bearing housings, and pivot components
- Adjustment Devices: Manual adjustment mechanisms, locking elements, and position controls
- Control Equipment: Valve components, control rod bushings, and actuator elements
- Instrumentation: Precision instrument components, gauge elements, and measurement device parts
- Automotive Components: Adjustment bushings, control mechanism components, and assembly fixtures
- Medical Equipment: Precision instrument components for diagnostic and laboratory devices
- General Machinery: Various industrial equipment components requiring precision and durability
Why Choose Us
- CNC Lathe Expert: 18+ years specialized experience in precision turned component manufacturing
- Stainless Steel Specialization: Extensive experience in machining corrosion-resistant materials
- ISO 9001:2015 Certified: Internationally recognized quality management for precision components
- Advanced Equipment: CNC lathe systems with live tooling and multi-axis capability
- Expert Team: 30+ skilled technicians with precision turning and quality control expertise
- Tight Tolerance Mastery: Proven capability achieving +/-0.01mm on critical bore and dimension features
- Flexible Production: Support for prototypes, development programs, and high-volume manufacturing
- Customer Satisfaction: Successful precision component manufacturing cases with satisfied industrial customers worldwide
FAQ
Q1: What is a stainless steel bushing and what is it used for?
A: A stainless steel bushing is a cylindrical turned component with a precision-machined through-bore and knurled outer surface. The knurling provides grip for manual handling, while the precision bore accommodates shafts, bearings, or other components. Common applications include adjustment mechanisms, shaft supports, and assembly spacers in industrial equipment.
Q2: What are the advantages of knurled bushings?
A: Knurled bushings provide enhanced grip for manual installation, adjustment, and removal operations. The patterned surface creates friction between fingers or tools and the component, allowing secure handling without slipping. This is particularly valuable in applications requiring frequent adjustment or where the component must be hand-tightened or positioned.
Q3: What stainless steel grades are available?
A: We commonly machine 303 stainless steel for free-machining characteristics, 304 for general corrosion resistance, and 316 for enhanced corrosion resistance in marine or chemical environments. Material selection depends on the operating environment, required mechanical properties, and cost considerations. Our team can help select the appropriate grade for your application.
Q4: What tolerances can you achieve on stainless steel bushings?
A: We achieve +/-0.01mm on critical dimensions including bore diameter, outer diameter, and overall length. Surface finishes on the bore and outer diameter are controlled to provide smooth, accurate contact surfaces. Knurl depth and spacing are precisely controlled to ensure consistent grip performance across production batches.
Q5: Can you produce custom bushing sizes and features?
A: Yes, we manufacture custom bushings to your specifications including various bore diameters, outer diameters, lengths, and knurling patterns. Additional features such as through-holes, slots, threads, or specialized end profiles can be incorporated. Our CNC lathe capabilities support a wide range of configurations.
Q6: What is the typical production time for stainless steel bushings?
A: Prototype quantities typically 1-2 weeks. Small batches (100-1000 units) 2-3 weeks. High-volume production for established components typically 3-4 weeks. Our CNC lathe production systems enable efficient manufacturing while maintaining precision quality throughout.
Q7: Do you provide surface treatment or finishing services?
A: Yes, we offer various surface treatments including passivation for enhanced corrosion resistance, electropolishing for improved surface finish, and various plating options. We can recommend appropriate surface treatments based on your application requirements including environmental exposure and aesthetic considerations.
Q8: What quality control measures do you employ?
A: Parts undergo dimensional inspection with CMM, bore diameter measurement, surface finish measurement, and knurl pattern inspection. First-article inspection and statistical process control ensure consistent quality. Material certification and traceability documentation are provided for critical applications.
Q9: Can you handle high-volume production for industrial customers?
A: Yes, we support high-volume manufacturing for industrial component customers with consistent quality, process documentation, inventory management, and capacity planning. Our CNC lathe production systems accommodate varying batch sizes while maintaining the precision standards required for industrial applications.
Q10: Do you work with customer specifications and drawings?
A: Yes, we manufacture to your specifications from 2D drawings, 3D CAD files (STEP, IGES, SolidWorks), or physical samples. We maintain confidentiality and provide detailed manufacturing documentation. Our engineering team can also assist with design for manufacturability feedback to optimize your component designs.
