Precision Custom Stainless Steel Parts (±0.005mm) | CNC Machining Services – Maozhong Precision

Maozhong Precision specializes in high-precision custom stainless steel components, focusing on high-end hardware machining. Leveraging professional Swiss-type lathe technology and premium stainless steel, we deliver full customization—covering multi-material options, complex machining, and multi-industry adaptation—balancing precision, performance, and cost-effectiveness. Our parts meet bulk needs for industrial machinery, electronics, automotive, new energy, comply with international standards, and ensure efficient, reliable delivery.At the core of our service is precision. We utilize advanced Swiss-type CNC lathes and multi-axis machining centers to transform raw stainless steel into components with exceptional accuracy and complex geometries, ensuring performance in the most demanding applications.

 Advanced Machining Processes

Adopt imported high-end Swiss-type lathes with precision CNC systems, supporting multi-axis simultaneous machining for integrated forming. Reduces process handover errors, boosts efficiency by 40%+ vs traditional equipment.

 Core Equipment

• Imported/high-end Swiss-type CNC lathes

• Multi-axis precision CNC machining centers

 Precision Control

• Machining Tolerance: ±0.005mm max

• Geometric Tolerance: ≤0.01mm

• Surface Roughness: Ra ≤0.8µm

• Equipped with micrometers, optical projectors, hardness testers for full-process sampling & 100% final inspection

 Process Capabilities

• Thread Machining: Internal/external, fine-pitch (Metric/Imperial/UNC/UNF)

• Groove Machining: Ring/straight/tapered grooves

• Drilling & Tapping: Min hole diameter 0.1mm

• Others: Chamfering, knurling, polishing

• Expert in thin-wall, slender shaft, irregular parts—burr-free & deformation-free

 Comprehensive Customization Services

Full flexibility from prototyping to mass production, matching exact requirements.

Flexible Ordering & Lead Times

• Prototyping: 10-500 pcs, 2-5 days (1-3 days expedited)

• Mid-volume: 500-10,000 pcs

• High-volume: 10,000+ pcs, 5-15 days

• Support batch delivery & urgent orders

Material & Finishing Selection

Selecting the right material is crucial for part performance and longevity. We offer a comprehensive range of stainless steel grades, each with distinct properties to match your specific environmental and mechanical requirements.

 Diverse Material Options

Tailor materials by corrosion resistance, strength & cost:

• 304 SS: Good corrosion resistance, cost-effective, for general use

• 316/316L SS: Superior acid/alkali/saltwater resistance; 316L (low carbon) for medical/food contact

• 303 SS: High machinability, ideal for batch production

• 201 SS: Budget-friendly, for low-corrosion environments

• Material Assurance: Mill Certificates/SGS available; purity ≥99.5%, hardness HV200-HV500, impurity-free

 Professional Surface Finishing

• Polishing: Mirror/satin (Ra 0.2µm max)

• Brushing: Straight/cross-grained

• Plating: Nickel/Chrome/Zinc/Gold (wear-resistant & aesthetic)

• Passivation/Black Oxide: Enhance corrosion resistance

• Electropolishing: Food-grade, for sanitary use

Superior Product Performance

Corrosion Resistance

304/316 withstand acids/alkalis/saltwater; 316L for harsh marine/chemical environments. Immersion-tested, rust-free, deformation-free, service life ≥5 years.

Wear Resistance

Surface treatment boosts hardness by 30%+, suitable for high-frequency motion/mechanical transmission.

Thermal Stability

Stable at -50°C~200°C, minimal thermal expansion; good toughness in low temps.

 Safety & Compliance

304/316L meet FDA (food-contact); medical-grade meets biocompatibility. Harmful-substance-free, safe & eco-friendly.

 Industry Applications

Our precision components are integral to the success of various advanced industries. We collaborate with clients across sectors to provide tailored solutions that meet stringent operational demands.

Industrial Machinery

Precision bearings, shafts, gears, connectors for machinery & instrumentation (high-precision transmission/assembly).

Automotive Sector

Sensor housings, transmission parts, chassis components—meet strict auto standards,适配 high-temp/vibration environments.

Electronics & New Energy

• Electronics: Terminals, contacts, fasteners for smartphones, computers, appliances (miniaturized, high-precision)

• New Energy: Durable hardware for PV, wind power, energy storage—suitable for long-term outdoor use

Other Specialized Fields

Medical device parts, food processing components, aerospace lightweight parts—customizable to industry standards.

 Quality Assurance & Delivery

 End-to-End Quality Control

• Certifications: ISO 9001, RoHS, CE (export-compliant)

• Full-process Inspection: Raw material verification → in-process sampling → 100% final inspection → pre-shipment recheck

• Quality: 100% rework for non-conforming products, pass rate ≥99.8%

• After-sales: 1-year warranty (free replacement for quality issues); 24/7 technical support for drawing optimization/consultation

 Efficient Delivery & Supply Chain

• Lead Times: Prototyping 2-5 days (1-3 days expedited); mass production 5-15 days

• Logistics: Domestic (SF/Deppon); international (air/sea freight)

• Capacity & Cooperation: Daily output 10,000+ pcs, support large orders; OEM/ODM available (custom packaging/branding)

Frequently Asked Questions

•  Q: What’s your minimum order quantity?
  A: 1000pcsfor prototyping, flexible for mass production.

 

•  Q: Can you accept custom drawings?
  A: Yes, we support drawings (2D/3D) and sample-based customization.

 

•  Q: Do you provide material certificates?
  A: Sure, Mill Certificates, SGS and other test reports are available on request.

 

•  Q: How to handle quality issues?
  A: 1-year warranty; we offer free replacement/rework for quality-related problems.

 

• Q: Can you meet urgent order needs?
  A: Yes, prototyping can be delivered in 1-3 days, mass production expedited as needed.

 

• Q: Can you machine complex stainless steel parts for medical devices?
  A: Yes. We specialize in machining biocompatible 316L stainless steel components with ultra-smooth finishes (via electropolishing) to meet strict medical industry hygiene and tolerance standards.

 

• Q: What file formats do you accept for custom part drawings?
  A: We accept all common 2D/3D formats, including STEP, IGES, DXF, and SolidWorks/UG/CAD files, ensuring seamless transition from your design to our production.

Get A Quote

Submit your drawings or part specifications today for a fast, detailed quotation and expert manufacturing advice.

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