Precision EDM Machining Services
High-accuracy Electrical Discharge Machining (EDM) including Wire EDM, Sink EDM, Small Hole EDM, and Micro EDM. Custom spark erosion machining for complex metal parts with ultra-tight tolerances for industrial clients.
What Is EDM Machining
Why Choose Our EDM Machining Services?
Types of EDM
Wire EDM
Precision Wire Electrical Discharge Machining for complex 2D shapes and tight-tolerance parts. Ideal for cutting hardened metals, tool steel, and exotic materials without material deformation or heat-affected zones.
Sinker EDM
Sinker EDM(Ram EDM) services for creating deep cavities, complex contours, and intricate features in metal workpieces. Perfect for mold making, die casting, and precision tooling applications requiring high accuracy.
Small Hole EDM
Specialized Small Hole Electrical Discharge Machining for precise hole drilling in conductive materials. Ideal for aerospace cooling holes, medical instrument ports, and industrial component fluid channels.
Micro EDM
Ultra-precision Micro Electrical Discharge Machining for miniature components and micro-features. Specialized for medical devices, electronics, and high-tech industrial applications requiring extreme precision.
EDM Machining Tolerances & Technical Specifications
Our precision EDM equipment delivers consistent results for complex components, with specialized capabilities in small hole drilling (0.1mm+) and micro-feature machining (0.05mm+). All processes adhere to ISO 9001:2015 quality standards.
| Capability | Wire EDM | Sink EDM | Small Hole EDM | Micro EDM |
|---|---|---|---|---|
| Accuracy Tolerance | ±0.001mm | ±0.002mm | ±0.003mm | ±0.0005mm |
| Maximum Workpiece Size | 1000x600x300mm | 800x600x500mm | 600x500x400mm | 300x300x200mm |
| Key Feature Dimensions | 0.1mm - 300mm | 0.5mm - 500mm | Holes: 0.1-3mm | Features: 0.05-0.5mm |
| Depth Capacity | Up to 300mm | Up to 200mm | Up to 300mm (150:1 ratio) | Up to 50mm (100:1 ratio) |
| Compatible Materials | Hardened steel, titanium, carbide, inconel, brass, copper | Tool steel, stainless steel, carbide, exotic alloys | All conductive materials, superalloys, conductive ceramics | Medical-grade alloys, precision steels, micro-alloyed materials |
| Surface Finish (Ra) | 0.1 - 1.6 μm | 0.2 - 3.2 μm | 0.3 - 2.0 μm | 0.05 - 0.8 μm |
| Lead Time | 2-10 business days | 3-15 business days | 2-8 business days | 3-12 business days |
Our CNC EDM Machine
Precision engineering, reliable performance, and advanced capabilities for your manufacturing needs.
The EDM Machining Process: Industry Applications
Our custom EDM machining services cater to clients across diverse industrial sectors, delivering precision components that meet industry-specific standards
Aerospace
High-precision EDM parts for aircraft engines, avionics, and aerospace components.
Medical
Biocompatible EDM-machined parts for medical devices, surgical instruments, and implant components.
Automotive
Sink EDM and Wire EDM services for mold cavities, cores, and die components.
Electronics
Miniature EDM-machined parts for electronic devices, semiconductors, and precision instruments.
Mold & Die
Custom EDM machining for cutting tools, fixtures, mold cavities, cores, and die components.
Custom DIY
Tailored EDM machining for your unique component needs, whatever not mentioned above.
Common EDM Machinable Materials
Our EDM technology supports processing of various metals and alloys. High-precision machining is achievable for both high-hardness and high-toughness materials.
Mold Steel Series
S136 / 718H Mold Steel
P20 / H13 Hot Work Mold Steel
SKD11 / DC53 Cold Work Mold Steel
Cemented Carbide Series
Tungsten Carbide Alloy
Cemented Carbide Tool Materials
Super Hard Alloy Components
Titanium Alloy Series
Ti-6Al-4V Titanium Alloy
Medical Grade Titanium Alloy
Aerospace Titanium Alloy
Stainless Steel Series
SUS304 / 316 Stainless Steel
Martensitic Stainless Steel
Precipitation Hardening Stainless Steel
High-Temperature Alloy Series
Inconel Series Alloys
Hastelloy Alloys
GH4169 High-Temperature Alloy
Special Materials Series
Copper Alloys / Brass
Aluminum Alloys / Aerospace Aluminum
Other Custom Materials
Our EDM Manufacturing Excellence
Industry-leading capabilities and proven results in precision electrical discharge machining
Happy Customers
Projects Successfully Delivered
Industries Served
Precision EDM Parts Manufactured
Sinker EDM vs Wire EDM: Which Is Right For You?
Understanding the difference between die sinking EDM and wire EDM helps you choose the optimal machining method for your project.
Sinker EDM (Die Sinking EDM)
- Ideal for complex 3D cavities and closed geometries
- Uses custom-shaped electrodes to "form" parts (negative-to-positive replication)
- Perfect for deep cavities, blind holes, and textured surfaces
- Excellent for high-volume production with reusable electrodes
- Suitable for large workpieces and thick materials
Wire EDM
- Ideal for 2D profiles, straight cuts, and thin-walled parts
- Uses a continuous metal wire to "cut" parts with high precision
- Perfect for sharp corners, narrow slots, and intricate outlines
- No custom electrode required (cost-effective for small batches)
- Suitable for low-to-medium volume production
Frequently Asked Questions
Answers to common questions about our sinker EDM machining services,Contact us for further assistance!
What does EDM stand for in the context of machining?
In machining, EDM stands for Electrical Discharge Machining—a non-contact process that removes material via electrical discharges between an electrode and workpiece, perfect for hard or brittle conductive materials.
What is the difference between sinker EDM and ram EDM?
An EDM machine (Electrical Discharge Machining machine) is a precision tool that uses controlled electrical sparks to shape conductive materials. It benefits manufacturing by creating complex, high-tolerance parts that traditional machining can’t achieve—ideal for aerospace, medical, and automotive industries.
What is an EDM cutting machine used for in industrial applications?
An EDM cutting machine (often Wire EDM) is used to cut precise shapes, contours, or slots in conductive materials. It’s critical for industrial applications like mold making, tool & die production, and creating intricate 2D/3D components.
How does an EDM drilling machine differ from traditional drilling tools?
An EDM drilling machine (Small Hole EDM) uses electrical sparks to drill micro-sized, deep holes (as small as 0.1mm) in hard materials. Unlike traditional drills, it avoids tool breakage and maintains precision in high-aspect-ratio holes.
What are the essential EDM machine parts for reliable operation?
Essential EDM machine parts include conductive electrodes (wire, sinker, or drill), dielectric fluid (coolant), CNC control system, power supply unit, and workpiece holder—all working together to ensure precise, consistent machining results.
Precision EDM Machining Client Testimonials & Reviews
See what industry leaders say about our reliable Wire EDM, Micro EDM, and Small Hole EDM services for high-precision components
"We rely on their Small Hole EDM services for aerospace components—consistent precision, on-time delivery, and exceptional quality that meets our strict industry standards."
"Our medical device prototypes demand micro-level accuracy, and their Micro EDM machining never disappoints. The team’s expertise with biocompatible materials is unmatched."
"For automotive tooling parts, their Wire EDM and Sink EDM services deliver tight tolerances at competitive pricing. A reliable partner for both low-volume and production runs."
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