Small hole machine in operation Doing ID holes can be a bear. Getting as good an ID hole as you do an OD hole, perfectly round, can also be a bear. If the ID hole is blind, it is even worse. Northeast EDM has solved all of this with the creation of its ID hole popper that can work in material from 6” to 36” in diameter.
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A small hole operation on a part that has 1448 .020 holes thru .050 | |