Quote:
Originally Posted by d0ughb0y
I take it you cannot add a new hole after tempering. how about enlarging an existing hole?
|
Tempered glass is effectively under pressure inside. It is pushing against its outermost layers.
If you start to grind away or weaken the outermost layers, it will break and the entire inner layer will shatter.
It is best not to mess with tempered glass.