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Old 9th Feb 2019, 9:15 pm   #6
turretslug
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Join Date: Nov 2011
Location: Surrey, UK.
Posts: 4,398
Default Re: Using hole punches on die cast boxes

Well, I defer to the majority view expressed above- but I regularly used to use small and large Q-Max cutters on Eddystone die-cast boxes at work for one-offs and interface boxes. It tested the biceps on a long-arm Allen key- but the result was invariably a crisp hole without distorting, cracking or otherwise harming the box, though the waste punch-out was almost always cracked and sometimes crumbled.

This was with someone else paying for punches and Eddy-boxes though!- had it been my own stuff, I might (would) have been more hesitant. It's possible that other makes of die-cast box might not have been so forgiving or robust.

Maybe play it safe and go the somewhat longer route.
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