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Premium EDM Machining Services
DEK is a leading provider of Electrical Discharge Machining (EDM) services, and we specialize in EDM technology to reliably, timely, and cost-effectively manufacture your precision, small, and complex parts.

introduction
Top Quality EDM Machining Services

DEK specializes in precision wire EDM, providing high-precision, high-accuracy, complex parts machining services. Our sinker EDM, wire cut EDM and small hole EDM services are ideal for machining tight tolerances, small inner radius, complex shapes and extremely hard conductive materials that are difficult to machine.
With state-of-the-art equipment and machinists with excellent programming skills, we can achieve tight tolerances of 0.0025mm without leaving burrs or tool marks on the workpiece surface, faster turnaround and higher surface finish.
DEK's EDM services are ideal for commonly used parts in molds, medical, aerospace, defense, automotive, and electronic applications. For example: mold cores, threaded guides, micro-mechanical parts, aircraft engine components, etc. Our EDM services can also be combined with other machining services such as turning, milling, grinding, finishing, heat treatment, surface coating and assembly to provide a complete end-to-end solution. Let's start a new project today!
- Get an online quote in less than 6 hours
- Tight tolerances of +/- 0.0001" (0.0025mm) are achievable
- Sinker EDM, Wire EDM and Small Hole EDM
- EDM parts' quality have accredited by more than 52 mold manufacturers
- Machining Diameter from 0.5 to 42mm
materials
EDM Machining Metals
Aluminum
Aluminum is a lightweight, highly thermally conductive,highly electrical conductivity, corrosion resistance and popular metal for EDM machining.
At DEK, we specialize in machining all types of aluminum, including 6061, 7075, and 2024, you can get high precision parts such as engine parts, radiators, engine cases and more for electronics, automotive and aerospace.
Alloy
AL6061, AL6063, AL5083, AL5052, etc.
Alloy Steel
Alloy steel is an alloy of iron (Fe) and other elements ( including carbon, chromium, nickel, and molybdenum) and is a common metal in EDM machining. It is widely used in automotive, aerospace, and tool making due to its high strength, hardness, wear and corrosion resistance.
At DEK, we specialize in machining all types of alloy steels, including 4130 and 4340.You can get high precision parts such as: bearings, gears, transmission parts and more.
Alloy
Alloy Steel 1215, 4130,4140,4340,8620,A514 etc.
Brass
Brass is mainly composed of copper and zinc and has a yellow metallic appearance. It is widely used in electronics and construction because of its excellent workability, good electrical, thermal conductivity, corrosion resistance and excellent mechanical.
At DEK, we specialize in machining all types of brass, you can get high-precision parts such as bearings, housings, gears and more.
Alloy
Brass 260, C360, Cz121,etc
Bronze
Bronze is a copper-tin alloy with excellent corrosion resistance, electrical conductivityand castability.
At DEK, we specialize in machining all types of bronze, including 544 and 841, and our high-precision service ensures high-quality parts for industries such as manufacturing and construction, perfect for bearings, gears, handrails, connectors, sockets, and more.
Alloy
Bronze 544, 841, 932,954, etc.
Copper
Copper is an extremely electrically conductive metal that is widely used in electronics and automotive due to its excellent thermal conductivity, ease of processing and corrosion resistance.
At DEK, we specialize in machining all types of copper, including 101 and 110, you can get high precision parts such as: electrical connectors, housings, gears and more.
Alloy
Copper C101, C110, etc.
Inconel
Inconel is a nickel-based alloy composed of nickel, chromium and iron, and is commonly used as a work material or electrode material in EDM processing, with excellent high-temperature strength, corrosion resistance and oxidation resistance.
At DEK, you can get high precision parts such as turbine blades, heat exchangers, pipe fittings and more for aerospace and chemical.
Alloy
Inconel 718, 625,600, etc.
Mild Steel
Mild steel has a carbon content of between 0.05% and 0.25%,is a commonly used material for swiss cnc turning. Due to its low carbon content, it has outstanding workability and plasticity. In addition, it has good weldability and moderate mechanical properties.
At DEK, we specialize in machining all types of mild steel, including 1018 and 1215, and you can get high-quality parts such as: housings, shafts, bearings and more for construction and automotive.
Alloy
Mild Steel 1018, 1045, A36, 1215, etc.
Stainless Steel
Stainless steel is an excellent material choice for EDM machining.Because it has good mechanical, corrosion resistance and high temperature resistance
At DEK, we specialize in machining all types of stainless steel, including 304 and 316,you can get top-quality parts for industries such as automotive, manufacturing and chemical, perfect for molds,bearings, bushings, valves, flanges, fittings and more.
Alloy
Stainless Steel 301, 303, 304, 304L, 316, 316L, etc.
Titanium
Titanium is a lightweight, high-strength metallic material that is popular in EDM machining. It has high temperature resistance, excellent corrosion resistance and biocompatibility.
At DEK, we specialize in machining all types of titanium, including Grade 2 and Grade 5.You can get high quality parts such as: engine parts, engine block, artificial joint and more for aerospace and medical.
Alloy
Titanium Grade 1, Grade 2, Grade 5, etc.
Tool Steel
Tool steel is mainly composed of carbon, chromium, molybdenum, cobalt and other metal elements, is a high-quality high-alloy steel, with good hardness, wear resistance and heat treatment properties.
At DEK, we specialize in machining all types of tungsten steel, you can get high precision parts such as turbine shafts, bearings, gears, pins, bushings and more for aerospace and machinery manufacturing.
Alloy
Tool Steel A2, A3, D2,S7, etc.
Tungsten Steel
Tungsten steel is an alloy composed of elements such as tungsten, cobalt and carbon, with high hardness, high wear resistance, good electrical conductivity and corrosion resistance, it is a commonly used electrode material for EMD.
At DEK, we specialize in machining all types of tungsten steel, you can get high precision parts such as bearings, seals, injection molds, valves and more for mold making, automotive and aerospace.
Alloy
Tungsten Steel YG6, YG8, YG15, YL50, etc.
surface finishing
One-stop Surface Finishing
Anodizing
Anodizing is an electrochemical process that enhances metals' corrosion resistance, durability, and appearance, particularly aluminum.
Black Oxide
Get functional and aesthetic benefits in one with Black Oxide surface finishing. It's a matte black finish that also adds protection to metals, reducing corrosion and wear over time.
Bead Blasting
We can effectively remove rust, paint, scale, and other contaminants from various surfaces using bead blasting. Get a uniform and matte finish on surfaces to enhance the aesthetic appeal of […]
Polishing
We enhance the visual appeal of components by providing a smooth and reflective finish with our polishing services. Polished surfaces can also serve as excellent bases for coatings, providing better […]
Electropolishing
Electropolishing enhances the corrosion resistance of metal by removing impurities and creating a clean, passive surface.
Heat Treatment
Improve the physical and mechanical properties of materials through heat treatment. Improve hardness, increase strength, enhance toughness, stress relief, and more.
Passivation
We form a thin, inert layer on the material's surface that protects it from environmental factors that could lead to corrosion. Passivation is commonly used in metals like stainless steel […]
Laser Marking
We provide high precision and accuracy, enabling intricate designs, fine details, and small text to be marked clearly on a wide range of materials, including metals, plastics, glass, ceramics, and […]
Electroless Nickel Plating
DEK offers electroless nickel plating’s adjustable hardness levels, can be engineered to be non-magnetic, adheres tightly to substrates, and the thickness is precisely controllable.
Nickel Plating
A uniform thickness and smooth finish contribute to an aesthetically pleasing appearance and consistent protective qualities. We ensure our process results in materials that can withstand friction and abrasion for […]
Zinc Plating
The compatibility of zinc plating with various materials adds to its appeal, while its ease of application and established use make it a readily available option.
DLC Coating
The low friction coefficient of DLC coatings reduces resistance between surfaces, providing durability to components like tools and mechanical parts.
PVD Coating
We offer a wide range of decorative finishes with PVD coating, including various colors and aesthetic effects. This process can also make materials more resistant to wear, abrasion, and scratching.
Powder Coating
Get a resilient finish that is resistant to chipping, scratching, and fading. Powder coating is your low-cost, eco-friendly finish that has long-term benefits, including reduced maintenance and enhanced longevity
Media Blasting
We commonly use media blasting in restoration projects to clean and rejuvenate surfaces without causing damage. We can effectively remove years of grime, corrosion, or coatings from historical or vintage […]
Vapor Polishing
Vapor Polishing-the best technique for polishing the surface of 3D-printed objects, particularly those made with thermoplastics like ABS (Acrylonitrile Butadiene Styrene), helps to reduce layer lines and imperfections, giving the […]
Vapor Smoothing
Fine details and intricate features of a 3D print can be enhanced through vapor smoothing. We can significantly improve the overall surface finish of 3D printed objects to make them […]
Precision Machining Tolerance Table
Category | Metal | Plastic |
---|---|---|
Linear Dimensions | +0.01mm | 10.05mm |
Diameter | +0.002mm | +0.02mm |
Precise Hole | +0.002mm | +0.02mm |
Chamfer Heights | +0.02mm | +0.05mm |
Angular Dimensions | +0°5 | +19 |
Straightness | +0.002mm | +0.02mm |
Flatness | +0.002mm | +0.01mm |
Perpendicularity | +0.002mm | +0.01mm |
Symmetry | +0.002mm | +0.01mm |
Concentricity | +0.002mm | +0.01mm |
Parallelism | +0.002mm | +0.01mm |
Instant & Accurate Quotes
We don't use online automated quotation tools, because it is very inaccurate. Online quote platforms rely solely on calculations based on cutting amounts and fixed coefficients, they fail to account for actual processing nuances, such as material deformation after heat treatment, tight tolerance requirements, grinding after heat treatment, etc. Consequently, automated price calculations can lead to inaccuracies, ultimately increasing your costs.
But you can rest assured at DEK!
Our quotations are both cost-effective and accurate because we have a team of professional mechanical engineers who meticulously review each drawing. These engineers boast over 10 years of experience and possess deep expertise in programming, machine operation, post-processing, material properties, and more. Ensure you will get accurate quotes within 6 hours.
PRODUCTION CAPACITY
Production Capacity Guarantee
With perfect production and quality process, you can place your order with confidence.
Advanced CNC Machine Shop
Quality Control
Professional Packaging
Global Shipping
Our Advantages
2300+ Engineers Love Work With Us
Reduce Cost
DEK's EDM can significantly reduce expenses, and we use state-of-the-art equipment to increase production efficiency. Purchasing raw materials in bulk reduces procurement costs by around 40%, ensuring your projects stay within budget and maintain high quality
High Precision
DEK has specialized in EDM machining for many years and can achieve tight tolerances of +/-0.0025mm, EDM tools never physically come into contact with the part being machined, creating a superior surface finish.
Professional Engineer Team
DEK's engineers have more than 10 years of rich experience in EDM machining and can skillfully use CAD software to provide professional solutions for your projects. From concept design to production assembly, our engineering team is always there!
On-demand Production
From 1 to 100k+, no matter prototype production, low volume manufacturing, or mass production, our EDM machining services can support you to achieve.
Swift Delivery
DEK has established a long-term good relationship with UPS, FedEX, DHL and other courier companies, which can provide global transportation services for your project, guaranteeing the timely delivery of goods, and delivering the goods to you within 3 days at the earliest.
24/7 Engineering Support
Our professional engineers are available online 24/7 to answer any questions you may have about your EDM machining project.We are always available to provide technical support to ensure that your project is completed on time and within budget.
Testimonials
Our Ordering Process
Send RFQ
Send RFQ with 2D/3D drawings and detailed requirements via Email or online form.
Review & Quote
Our Engineer team will review every drawing carefully and provide an accurate quote within 6 hours.
Confirm Order
Confirm the quote, details and delivery schedule, then sign the contract.
Production
Arrange production process, start programming and machining.
Quality Control
Strict quality control during production and final inspection.
Packaging & Shipping
Pack the parts, attach part identification labels, and start shipping.
Send RFQ 222
Review & Quote
Confirm Order
Production
QC
Delivery
FAQ
EDM Machining Services Buying FAQs
Get An Accurate Quote For Your Next Projects
No matter your project is complicated or simple, no matter is metal or plastic, you will get an accurate quotation within 6 hours.
Get A Quote TodayTECHNOLOGY OVERVIEW
Knowledge of EDM Machining
What is EDM Machining?
Electrical Discharge Machining (EDM) is a precision metalworking process that employs electrical sparks to shape and remove material from a workpiece. This method relies on controlled electrical discharges, akin to tiny controlled lightning bolts, to erode metal precisely. It is a highly precise machining technique used for intricate and delicate work.
EDM machining is accomplished by sending an electrical discharge (a spark) between an electrode and the workpiece, which is submerged in a dielectric fluid to prevent premature spark formation. This spark generates intense heat, melting and vaporizing a minuscule portion of the workpiece. Repeated sparking gradually sculpts the desired shape with remarkable precision, allowing for intricate and complex geometries.
EDM machining finds widespread use in industries requiring exceptional accuracy, such as aerospace, medical device manufacturing, and tool and die production. Its ability to work with exceptionally hard materials and create intricate features makes it a valuable tool for crafting precision components and molds. EDM machining stands out as a specialized, high-precision manufacturing technique in the realm of modern industry.
What are the advantages of using EDM Machining?
EDM machining offers precision, versatility, and minimal heat generation, making it ideal for intricate shapes and hard materials in various industries. Here are the advantages of EDM Machining:
Precision: EDM ensures highly accurate results.
Versatility: It works with various tough materials.
Minimal Heat: Little risk of heat-related distortion.
Non-Contact: Suitable for delicate workpieces.
Complex Geometries: Creates intricate shapes with ease.
Minimal Mechanical Stress: Reduces the risk of damage.
Intricate Detailing: Allows for fine, detailed work.
When will need EDM Machining?
EDM machining is essential when precision, intricate shapes, and the machining of hard materials are critical in manufacturing processes. Here are some use cases:
- Hard Materials: Working with exceptionally hard materials such as titanium or carbide.
- Intricate Shapes: Creating complex, detailed, or fine features.
- High Precision: Requiring exceptional accuracy in the final product.
- Heat Sensitivity: Minimizing heat-related distortion or stress on the material.
- Delicate Components: Working on fragile or thin-walled parts.
- Tool and Die Making: Crafting molds, dies, or tooling for manufacturing.
- Aerospace and Medical: Industries that demand high precision and stringent quality standards.