Drill sunglasses?
"Bill" wrote in message
...
What would be a safe way to drill a hole in the lens of sunglasses without
shattering the lens?
The hole can be 1/4 or 1/2 inch in diameter.
Maybe a hot iron?
Maybe water cooled drill?
Maybe a drop of acid?
Bill W.
plastic or glass lenses? if glass, tempered?
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