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Help CenterCNC Precision Custom Machining ±0.005mm Tolerance 304 Stainless Steel Parts
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Welcome to Henan San Kuang Machinery Technology Co., Ltd. As a dedicated manufacturer with over 10,000 square meters of modern facilities and a skilled team of 51-100 people, we specialize in delivering CNC Precision Custom Machining for 304 Stainless Steel parts with an exceptional tolerance of ±0.005mm. Our commitment to precision and quality ensures that every component meets the highest standards for demanding applications across various industries. Whether you need a single prototype or large-scale production, our advanced CNC machines and rigorous quality control processes guarantee consistent accuracy and surface finish.
Our 304 stainless steel parts are designed to offer superior corrosion resistance, strength, and durability. With a tolerance of ±0.005mm, we can achieve tight fits and smooth operation for critical assemblies. Below, we detail the key features, technical specifications, and benefits that make our machining service a trusted choice for global buyers.
Key Features & Technical Specifications
- Material: Premium 304 stainless steel (1.4301), ensuring excellent corrosion resistance and mechanical properties.
- Precision Level: Achievable tolerance of ±0.005mm (0.0002 inches) for critical dimensions, verified by CMM (Coordinate Measuring Machine) inspection.
- CNC Capabilities: 3-axis, 4-axis, and 5-axis CNC milling and turning, capable of complex geometries and tight tolerances.
- Surface Finish: Standard as-machined roughness Ra ≤ 0.8 μm, with optional polishing, passivation, or electropolishing to meet specific requirements.
- Customization: Fully customizable based on customer drawings (2D/3D) or samples; we can also provide design optimization suggestions.
- Quality Assurance: 100% inspection for critical dimensions, with in-process and final quality checks using calibrated instruments.
| Parameter | Range / Description |
|---|---|
| Material Grade | 304 Stainless Steel (UNS S30400, AISI 304) |
| Dimensional Tolerance | ±0.005mm for diameters, lengths, and positional tolerances |
| Part Size | From 1 mm to 500 mm in length, up to 200 mm diameter (customizable) |
| Threading | Internal & external threads per standard (UNF, UNC, metric) |
| Surface Finish (Ra) | As machined: 0.4-0.8 μm; optional: 0.2 μm or better |
| Lead Time | 7-15 working days for standard orders; expedited available upon request |
Why Choose Our CNC Precision Machining for 304 Stainless Steel Parts?
- High Precision & Consistency: Our advanced CNC equipment and skilled operators ensure every part meets the ±0.005mm tolerance, reducing assembly issues and rework.
- Durable Material: 304 stainless steel offers excellent resistance to rust, chemicals, and high temperatures, making it ideal for harsh environments.
- Cost-Effective Customization: We offer competitive pricing for small to medium runs, with no minimum order quantity for prototyping.
- Comprehensive Quality Control: We adhere to strict inspection protocols, including first-article inspection, in-process checks, and final reports with CMM data.
- Global Shipping Expertise: With shipment ports in Shanghai, Lianyungang, Qingdao, and Tianjin, we ensure safe and timely delivery to markets worldwide.
Trust & Credibility
Henan San Kuang Machinery Technology Co., Ltd. has been a trusted manufacturer since 2022, with an annual export value of US$2.5 million to US$5 million. Our facility spans 10,000–30,000 square meters, equipped with modern CNC machines and a dedicated team of 51–100 professionals. We are certified under multiple international standards, including ISO9001, ISO14000, ISO16949, OHSAS18001, and many others, reflecting our commitment to quality, environment, and occupational health. Our products are exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, serving diverse industries such as automotive, medical, aerospace, and industrial machinery.
We take pride in our rigorous quality management system, which ensures that every CNC precision part manufactured meets your exact specifications. Our team provides prompt technical support, from design review to after-sales service. We invite you to experience the reliability and precision of our machining services. Contact us today for a quote or to discuss your custom part requirements—we are ready to bring your designs to life with the highest accuracy.
Frequently Asked Questions (FAQ)
-
Q: What is the minimum order quantity for custom 304 stainless steel parts?
A: We accept orders starting from 1 piece for prototypes. For production runs, we can discuss volume discounts. -
Q: How do you guarantee ±0.005mm tolerance?
A: Our CNC machines are regularly calibrated, and we use CMM (Coordinate Measuring Machine) to inspect all critical dimensions. We provide inspection reports upon request. -
Q: Can you machine parts with complex geometries or tight corners?
A: Yes, our 5-axis CNC machines allow us to produce complex shapes and undercuts. We can also perform secondary operations like threading, drilling, and tapping. -
Q: What surface finish options are available?
A: Standard as-machined finish is Ra ≤ 0.8 μm. We also offer passivation, electropolishing, bead blasting, and custom surface treatments. -
Q: How long does shipping take to North America or Europe?
A: Typical shipping time via sea freight is 25-35 days, depending on the destination. Air freight is also available for urgent orders. -
Q: Do you provide technical support for design optimization?
A: Absolutely. Our engineering team can review your drawings and suggest modifications to improve machinability and reduce costs. -
Q: What certifications do you hold?
A: We are certified under ISO9001, ISO14000, OHSAS18001, ISO16949, and many other standards. We can provide certificates upon request. -
Q: Can you handle large-volume production?
A: Yes, with a factory size of 10,000+ sqm and multiple CNC machines, we can scale up to meet high-volume demands while maintaining precision.
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