| Product Name | Precision CNC Milling Parts |
|---|---|
| Material Available | Steel |
| Surface Finish | Black Oxidation |
| Processing | CNC Milling |
| Tolerance | ±0.002~0.005mm |
| Drawing Accepted | IGES(igs), STEP(stp), SolidWorks (sodprt), PRT, AutoCad, or Samples |
| Inspection | CMM, Projector, Height Gauge, etc. |
| Lead Time | 7~35 working days |
| Quality Assurance | ISO9001:2015, SGS, RoHs |
| Payment Term | MoneyGram, Western Union, T/T, D/P, D/A, L/C |
| Price | According to your drawing or requirements |
| Engineer Support | Available for engineering assistance and drawings design |
| Packaging | Bubble and Carton or Customization |
|---|---|
| Port | Shenzhen |

| Operation | Equipment/Process | Capability | Typical Tolerances |
|---|---|---|---|
| CNC Turning | Live tooling on mills, separate lathes | Turning features on milled parts | ±0.01mm |
| Grinding | Surface, cylindrical, jig grinders | Precision flatness, parallelism, size | ±0.002mm |
| EDM | Wire and sinker EDM | Complex geometries, hard materials | ±0.005mm |
| Heat Treatment | Vacuum furnaces, atmosphere controlled | Hardening, tempering, stress relief | Material dependent |
| Welding | TIG, laser, electron beam | Component assembly, repair | ±0.05mm after weld |
| Assembly | Press fits, adhesive, fastening | Multi-component assemblies | As per drawing |
| Finish Type | Process Method | Surface Ra (μm) | Characteristics & Applications |
|---|---|---|---|
| As-Machined | Standard CNC milling | 0.8-3.2 | Cost-effective, visible tool marks, general applications |
| Bead Blasting | Glass bead, aluminum oxide | 0.8-1.6 | Matte finish, uniform appearance, stress relief |
| Polishing | Mechanical, chemical, electro | 0.025-0.4 | Reflective, smooth, food, medical, optical |
| Anodizing | Type I-III, hardcoat (Al) | Base material dependent | Decorative, corrosion resistant, wear resistant |
| Plating | Nickel, chrome, zinc, tin | Varies | Corrosion protection, appearance, solderability |
| Powder Coating | Electrostatic application | N/A (coating) | Durable, color options, corrosion protection |
| Passivation | Nitric or citric acid (SS) | Base material finish | Corrosion resistance restoration |
| Laser Marking | Fiber, YAG lasers | N/A (marking) | Permanent identification, serialization, logos |
| Tumbling/Vibratory | Media finishing | 0.4-1.6 | Deburring, edge breaking, surface smoothing |

| Order Type | Typical Lead Time | Notes |
|---|---|---|
| Prototype/Samples | 5-10 business days | Standard materials, simple geometries |
| Low Volume (1-100 pcs) | 10-20 business days | Includes setup and first article inspection |
| Medium Volume (100-1,000 pcs) | 3-4 weeks | Batch production with process optimization |
| High Volume (1,000+ pcs) | 4-8 weeks | Dedicated production runs, tooling optimization |
| Expedited Services | 50-100% premium | Available for urgent requirements |