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The portable EDM broken tap remover (or someone called broken bolt remover, EDM machine, electric discharge machine, metal disintegrator, portable EDM, spark EDM) is used for removing broken taps, drills, screws and bolts, etc, which can't be easily drilled by conventional ways.
Our patent product portable EDM broken tap remover could remove broken tooling without any damage to the work-piece, and it could also be used to mark and process non-precision holes on metal.
Spark erosion machine
