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FineCore Precision
Copper sinker-EDM electrode on its reference block, burn form up, with a fine grille of eleven ribs inside a thin frame

CNC machining

Copper EDM electrode

Process
Micro-milling of the burn form with fine ball-nose cutters, sharp burn edges
Typical materials
Electrolytic copper Cu-ETP (CW004A)
Typical use
Burning fine grilles, vents and rib textures into mould cavities with a fine finish