How to punch a nickle size hole in plastic about the thickness of a credit card?

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ewilhelm8 years ago
When you are entering your question, there is a big "Details" box for you to give additional details. I bet you'd get better answers if you included more information.
I'd go with a pilot hole and then a spade bit, or i don't know if they have hole saws that small, but those would be good too., nice and clean, no cracking.
jtobako8 years ago
Leather punch or piece of pipe with a sharpened edge.
110100101108 years ago
punch is best if you dont have one then make a roughly round hole of smaller size use a ball or cone ginding drill bit to enlarge the hole to the wanted size
A spade bit for a drill would dothe job - I would put a piece of scrap wood behind it as a support while drilling.
kelseymh8 years ago
I suspect that a sheet-metal hand punch is going to be the easiest thing for you to use. They come with a set of differently sized punch tips so you can make whatever size hole you need (up to a point).

Here's an example:

A Google or Amazon search for "sheet metal hand punch" will get you plenty of choices.