For questions or to place an order for EDM, visit our EDM Store or call 800-336-7283. For Milling, call 877-228-2884

POCO's EDM-AF5 is the only graphite electrode material available on the market today with an average particle size of less than one micron. This particle structure gives EDM-AF5 superior strength, provides for fine surface finished (7Ra), gives excellent metal removal rate, and high resistance to wear.


  • Hardness 83 Shore
  • Electrical Resistivity 850 µOhms/in
  • Flexural Strength 14,500 psi
  • Tensile Strength 22,100 psi
  • Average Grain Size <1 microns