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A worn, damaged copper EDM electrode with severe pitting and black carbon deposits, mounted on a tool holder, on a white background.

A worn, damaged copper EDM electrode with severe pitting and black carbon deposits, mounted on a tool holder, on a white background.

A technical studio comparison diagram of a worn, damaged cylindrical copper EDM electrode mounted on a tool holder. White background, high detail. The electrode shows heavy spark wear, rounded bottom corners, severe surface pitting, black carbon deposits, and a slightly tilted alignment due to dirt on the chuck interface. Professional engineering inspection style, highlighting defects Mehr sehen