Quick-Change Electrodes

Ohio Carbon Blank now offers the machining of quick-change hole and slotted patterns using our free Graphimator ® software. Erowa, 3R and Hirschmann patterns can now be easily quoted or ordered with your custom size graphite blanks.

Enjoy the benefits of:
  • Out-of-the-box ready for quick change mounting.
  • Hole or slotted patterns of Erowa, 3R or Hirschmann.
  • Put those graphite blanks to work immediately and remove your EDM department bottleneck.
  • Click your way to 15% savings with your 1st Graphimator ® order.

Erowa 50mm

For detail drawings, download PDF

Erowa Slotted

For detail drawings, download PDF


system 3R 54mm

For detail drawings, download PDF

system 3R Slotted

For detail drawings, download PDF


Shop Our Interactive Catalog for In-Stock Material.

Order Custom-Sized Blanks, Plates, Sheets or Blocks.

Same-Day Shipping for In-Stock Blanks when Ordered Before 2:00PM Eastern Time.