Quote:
Originally Posted by bardd
Do you ever tap wood or plastic? Or is that the wrong way to go?
Also, what tools do you use to tap? I don't know any, I'm afraid to say...
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You can tap into plastics, as long as you are using a course thread, have enough engagement, and understand the risk of cross threading and/or tearing out under high load.
Wood cannot be tapped on its own, unless you are using a monstrously huge pitch. It's why wood screws have a TPI in the single digits.
In either case, there are a
variety of threaded inserts you can add to either plastic or wood to allow these materials to have threaded holes.