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Precision Wire EDM Services for Prototyping & Production

  • Capabilities
  • Materials
  • Common Projects

Wire EDM (electrical discharge machining) services are our specialty. We offer standard as well as high precision tolerances as tight as 2µm (0.0001") for an array of industries and applications. Our wire cut EDM machines have the capacity to run multiple wire sizes, even micro wire as small as 20µm (0.0008") in diameter! Our experience and state-of-the-art equipment enable us to provide repeatable highest quality parts and components from any type of conductive material.

What is Wire EDM?

Wire EDM (Electrical Discharge Machining) process uses a thin single strand of wire which is fed through the workpiece in conjunction with de-ionized water. During this process electric current is used to cut conductive materials and leave behind a smooth surface that requires no additional finishing or polishing processes. This process is typically used when low residual stresses are desired as there is little change in the mechanical properties of the material. During the wire EDM the cutting wire doesn’t touch the material, instead the cutting takes place when sparks form between the material and the cutting wire. Wire EDM machining is widely used within several industries for creating components for cutting intricate and delicate shapes.

In addition, we're continuously working with our technology partners to upgrade our CNC wire EDM machining capabilities to meet the ever evolving needs of our customers. We complement our wire EDM capabilities with other services like Precision Grinding and Micro Milling as well as 3D part scans for quality assurance. Contact Us Today to learn more. Call us at 630-736-0531 or email us at rfq@edmdept.com.

  • Multiple wire sizes from 0.0120" down to as small as 20um (0.0008") in diameter
  • Standard tolerances (0.0010" to 0.0005") and high precision tolerances as tight as 2µm
  • Micromachining tolerances of 1µm and below
  • Wire finished 30 micron diameter holes
  • Aspect Ratios up to 38:1
  • Surface finishes down to 4Ra µin (micro inch)
  • Small quantities of 1-50+ pieces
  • Production quantities up to 10,000 pieces

EDM strives to meet your needs. Through strategic partnerships with a vast array of qualified material suppliers, we manufacture using the materials you require, all while meeting strict standards. When it comes to Wire EDM we have worked with a diverse list of materials including:

  • Aluminum
  • Brass
  • Copper
  • Exotic Metals
  • Molybdenum
  • Titanium
  • Tungsten
  • Tool Steels
  • A-2, A-5, A-6, A-8
  • D-2, D-3, D-5
  • DC-53
  • H-11, H-12, H-13, H-19
  • L-6
  • M-1, M-2, M-3, M-4, M-42
  • O-1, O-6
  • S-1, S-7
  • T-1
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As our name suggests, Wire EDM is our specialty. We've competed thousands of Wire EDM projects and what differentiates us significantly from our competition is our ability to not only hold micron tolerances but to offer globally competitive pricing and lead times as well. With a vast knowledge of Wire EDM and 20 years' experience, we are confident we can produce your next EDM project to your exact specifications. A few projects we have completed include:

  • Interconnect Components
  • Fiber Optic Components
  • Medical Components
  • Optical Lenses
  • Research & Development Projects
  • Aerospace Industry
  • Defense Industry
  • Digital Manufacturing & Design Innovation Institute (DMDII)
  • Nationally Ranked Universities
  • Research Labs through the country, ex: SLAC national Accelerator Laboratory


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  • Die Insert - A2 Tool Steel

  • Custom Electrode For Sinker EDM - Tungsten Copper

  • Aerospace Assembly Component - 304 Stainless Steel

  • Precision Machine Gears - 7075 Aluminum

  • Custom Electrode For Sinker EDM - Copper Tungsten

  • Medical Mold Insert - S7 Tool Steel