True if you go slow. Too much heat and pressure can cause
stress cracks. But one can do it the way you describe.
Jim
W5JO
Jim, never had a problem with cracking if you use a drill
press.
Dave, W3ST
I am not sure what polycarbonate is, but use Lexan. You
can drill and cut it with your normal power tools without
problems of melting at the drill or cut lines.
If you use the old stuff, you should modify your drill
bit by removing the edge of the cutting planes. In other
words, make it dull and drill very slowly or it will
crack or melt.
Jim
W5JO
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