The ejector pin or also called as pilot pin has 3 major functions:
- Centring: The ejector pin is exactly positioned to the centre punch mark. 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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DIC TOOLS INDIA
https://dictoolsindia.com/annular-cutters/annular-cutter.php
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