EDM Materials

Electro Tech Machining  is the exclusive supplier of Electro Carb “EC” Graphite grades.  EC grade graphite is tailored for the electrical discharge machining (EDM) industry.  Our extensive electrode fabrication capabilities include a complete quality control and assurance program, multi-axis machining, electronic optical comparison, reverse engineering, coordinate measuring and CAD/CAM Design.

 ETM EC Grades Handout

Precision EDM Blanks

Electro Tech Machining specializes in precision ground blanks.  We are able to provide the delivery you need by stocking many standard sizes and timely custom fabrication.

ETM Guarantees the standard industry tolerances of:

  • Thickness +/- .0002
  • Width +/- .0002
  • Length +/- .001
  • Square and Flat +/- .0002

Metallic Electrode Materials

Electo Tech Machining offers a full compliment of metallic electrode materials and sizes.

  • Brass Tubes
  • Tungsten Carbide
  • Copper Tungsten
  • Silver Tungsten
  • TELCO (Tellurium Copper)