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How do I drill a hole in a brass register vent cover?

Any metal bit will do. The trick is to use a center punch ($4 tool) an then some cooling fluid while drilling. WD-40 works as cooling fluid.
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What type of bit do I use to drill holes in stainless steel? Nothing seems to work

I just found this thread, while being stuck with the same problem. I was trying to make M5 holes in a bunch of M6 304 dowel pins I bought off amazon. I needed 304 to avoid corrosion with a 304 ...
runcyclexcski's user avatar

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