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Using hole punches on die cast boxes
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10th Feb 2019, 10:28 am
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60 oldjohn
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Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,959
Re: Using hole punches on die cast boxes
Quote:
Originally Posted by
Restoration73
Step drill is not the same as a conecut bit - I have used the latter in a hand drill but for
plastic and ally but a slow drill speed is needed.
https://www.kelvinpowertools.com/con...-c-443-p-10890
OOPS, My mistake, I have both and I know the difference. I agree with every word above. Step drill cutting progressive steps should not wander.
John.
60 oldjohn
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