On Jun 29, 8:44*am, FlaBill wrote:
I have a need to make a hole in the center of plastic sunglasses.
Drills or hole saws don't seem to work.
What would you suggest?
Bill

Your tools are dull. Alternatively, try a heated needle for a small
hole, a piece of hot metal tubing for something larger. Most plastics
are more or less machinable so your technique needs refining.

Joe