Quote:
Originally Posted by mark
Sorry to hear about the crack but trying to understand how.
If the flange and the nut is fully supported by the glass (correct hole size for the bulkhead) and faces are smooth, would think when tightening, the plastic threads would strip before you could get enough compression to shatter the glass.
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If there is any irregularities on the bulkehad flange, it can easilly overstress thin glass.