| 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 |

CNC Milling Parts Key Features
1. Exceptional Precision & Tolerance Control
CNC milling parts achieve tight dimensional tolerances (down to ±0.005mm for high-precision applications) and consistent geometries across batch production, eliminating human-induced errors in traditional machining.
2. Versatile Material Compatibility
Suitable for processing a wide range of materials including aluminum alloys, stainless steel, titanium, brass, engineering plastics and composite materials, with excellent adaptability to both soft and hard workpiece requirements.
3. Complex Geometry Machining Capability
Capable of creating intricate shapes such as 3D contours, deep pockets, internal threads, and custom cavities that are difficult or impossible to produce with conventional milling methods.
|
Material Grade |
Primary Applications |
Hardness (HRC) |
Key Properties |
|
D2 (AISI) |
Long-run stamping dies, blanking |
58-62 |
High wear resistance, moderate toughness |
|
A2 (AISI) |
General purpose stamping dies |
56-60 |
Good balance of toughness and wear resistance |
|
H13 (AISI) |
Hot work, aluminum die casting |
44-48 |
Excellent thermal fatigue resistance |
|
S136 (AISI 420) |
Corrosion-resistant plastic molds |
48-52 |
High polishability, corrosion resistance |
|
NAK80 (P21) |
Pre-hardened plastic molds |
37-43 |
Excellent mirror finish, no heat treatment needed |
Vacuum Hardening: Minimizes oxidation and distortion
Cryogenic Treatment: -196°C treatment for dimensional stability and wear resistance
Tempering: Multiple temper cycles for stress relief and toughness optimization
Surface Treatments: Nitriding (gas, ion), PVD/TiN coating, laser hardening
|
Process |
Equipment |
Accuracy |
Application in Die Making |
|
High-Speed CNC Milling |
5-axis machining centers |
±0.005mm |
Complex cavity machining, 3D contours |
|
CNC Wire EDM |
0.02-0.3mm brass/coated wires |
±0.003mm |
Precision punch profiles, intricate shapes |
|
CNC Sinker EDM |
Graphite/copper electrodes |
±0.01mm |
Deep ribs, textured surfaces, sharp corners |
|
Jig Grinding |
Coordinate grinding machines |
±0.002mm |
Precision hole patterns, guide post holes |
|
Profile Grinding |
CNC optical profile grinders |
±0.002mm |
Punch and die profiles, form grinding |
CAD Software: UG/NX, CATIA, Pro/E, AutoCAD
CAM Programming: HyperMILL, Mastercam, PowerMILL
Simulation & Analysis:
Forming simulation (AutoForm, Dynaform)
Mold flow analysis (Moldflow, Moldex3D)
Structural FEA for die stress analysis
Standard Component Libraries: Misumi, PUNCH, HASCO, DME



| 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 |