Metal Working! Fitting, Machining, Welding, Sheet and General Metal Fab

Dales Cannon

The Olden Dazed
Staff member
Are they just an press fit or are there threads hidden up inside the cap?
Brute force over ignorance. The neck of the bottle isn't perfect with an external seam so air can still get in but there is enough overlap to keep the water in the bottle too.
 
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