What is the advantage of an ejector pin of annular cutter?
Switch the magnet on and the machine and tool are in the drilling position. Oiling: By means of the automatic internal lubrication, cutting oil is supplied via the ejector pin to the bit in just the right quantity. Ejecting: In the final stage, the ejector pin, pre-stressed by means of a spring, pushes the core out of the drill hole.
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