AXALLOY Precision
Sinker EDM Services
Precision Machining for Difficult Alloys — Shenzhen, China
At AXALLOY Precision, we deliver industry-leading Sinker EDM Services for complex, high-value components made from difficult-to-machine alloys. Our wire and sinker EDM expertise enables the production of precise, intricate features that are impossible to achieve with conventional machining alone.
Whether you need narrow slots, sharp internal corners, blind cavities, deep ribs, or precision inserts, our sinker EDM process delivers repeatable results with outstanding surface finish and dimensional accuracy.
Why Choose AXALLOY Sinker EDM Services?
Exceptional Material Compatibility
Proven on nickel-based superalloys (Inconel 718/625, Hastelloy C-276/C-22), titanium alloys (Grade 2/5/23), cobalt alloys (MP35N, Haynes 188/230), duplex/super duplex stainless steels, and other specialty metals.
Maximum Workpiece Size
Up to 500 × 350 × 300 mm with a maximum weight of up to 800 kg — accommodating large, complex components with ease.
Outstanding Surface Finish
Down to Ra 0.4 μm — one of the finest finishes in the industry for difficult alloys, reducing or eliminating secondary operations.
Ultra-Precision Tolerances
Positioning accuracy of ±0.005 mm and repeatability of ±0.003 mm ensures consistent, high-precision results across every part.
Advanced Feature Capability
Minimum internal corner radius of R0.05 mm, maximum machining depth of 250 mm, and maximum cutting taper of ±30°.
Full Project Support
From prototype to controlled low-volume production, our team supports you at every stage of your project lifecycle.
Sinker EDM Capabilities & Standards
Our sinker EDM machines are configured to handle the most demanding specifications with precision and repeatability.
| Maximum Workpiece Size | 500 × 350 × 300 mm |
| Maximum Workpiece Weight | 800 kg |
| Positioning Accuracy | ±0.005 mm |
| Repeatability | ±0.003 mm |
| Surface Finish | Down to Ra 0.4 μm |
| Minimum Internal Corner | R0.05 mm |
| Maximum Machining Depth | 250 mm |
| Maximum Cutting Taper | ±30° |
| Supported Materials | Hardened steel, Inconel, Hastelloy, Titanium, Stainless, Cobalt alloys & conductive specialty metals |
| Supported Features | Deep cavities, ribs, narrow slots, blind features, complex internal profiles, precision inserts |
Supported Materials for Sinker EDM
We specialize in EDM of the most challenging alloys, delivering consistent results across a wide range of difficult-to-machine materials.
Inconel Alloys
Inconel 600, 601, 625, 690, 706, 718, 725, X-750
Hastelloy Alloys
Hastelloy C-22, C-276, B-2, X
Cobalt Alloys
Cobalt Chrome, Stellite, L605, MP35N
Titanium Alloys
Titanium Grade 2, 5, 9, 12, 23
Stainless & High-Temp Steels
304, 316L, 15-5 PH, 17-4 PH, 410, 420, 440C, A286, Nitronic 50/60
Duplex & Super Duplex
2205, 2507
Other Specialty Metals
Nitinol, Molybdenum, Tungsten, Copper-Nickel
Tool Steels
A2, D2, H13, M2
Engineering Support Included
Our sinker EDM process is fully supported by a dedicated engineering team committed to quality and precision.
- Dedicated engineering review — drawing feedback, DFM, tolerance strategy
- Fixture & setup planning
- In-process inspection
- First Article Inspection (FAI)
- Full dimensional reports
- Material traceability & special process records
- Custom quality documentation upon request
Industries & Applications We Serve
AXALLOY Sinker EDM Services are the preferred choice for:
- Aerospace & defense (turbine components, fuel manifolds)
- Medical devices (implants, precision instruments)
- Semiconductor equipment
- Energy & oil & gas
- Marine & robotics
- Automation & precision industrial equipment
Ideal for OEMs, Tier 1/2 Suppliers & Engineering Firms
We are the perfect partner for organizations requiring:
Complex Geometry
Thin walls, critical interfaces, and intricate internal profiles machined with confidence.
Tight Tolerances
Geometric tolerances held to the highest standards with ±0.005 mm positioning accuracy.
Demanding Surface Requirements
Surface finishes down to Ra 0.4 μm for critical application performance.
High-Value Prototypes & Low-Volume
Prototype through high-mix production runs with consistent quality and traceability.
Supplier Transfer & Recovery
Parts being transferred from unreliable suppliers handled with precision and accountability.
Why AXALLOY Over Other Sinker EDM Providers
We evaluate every project for material behavior, geometry, tolerances, surface finish, and production volume before recommending the optimal EDM process. This material-specific approach ensures maximum efficiency, minimum scrap, and consistent quality — exactly what your engineering and quality teams demand.
Our Material-Specific Approach
Material Behavior Analysis
Each alloy is assessed for machinability, heat response, and EDM characteristics.
Process Optimization
EDM parameters are tailored to your geometry and tolerance requirements.
Quality Assurance
In-process inspection and full documentation at every stage.
Request a Quote for Sinker EDM Services
Provide your complete 2D drawings and 3D models (STEP, IGES, etc.), material specifications, critical features, expected quantities, and target lead time.
Standard Lead Time
10–20 business days
Expedited Service
Available on request
Minimum Order
1 part
File Upload Limit
500 MB per RFQ
Contact AXALLOY Precision
Shenzhen, China
Precision Machining for Difficult Alloys
Last Updated: September 2026