Drilling into copper?
Ok I am 100% copper machining n00b. I have a die simulator and a cartridge heater, and I want to make a hole in the die sim to fit the heater into. This seems straightforward enough in theory, but I dont want to **** up the simulator and I only get the one chance. Can I do this with a regular drill? What precautions should I take? I have WD40 and a fairly beefy hand drill at my disposal right this minute.
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