Stainless Steel Niles Bottle Stoppers - SS-9000 Cork Shape 10/Pack
SS - 9000 Stainless Steel Cork Shape - Patent Pending
This stainless steel cork is for woodworkers, pottery, polymer clay, ceramics, antique doorknobs and golf balls.
The 4 O-rings seal all the bottles with 2 O-rings sealing most of them. It is made with 304 FDA kitchen grade stainless and FDA nitrile O-rings.
It has the 3/8" x 16 tpi threaded stud 1/2" high, non-removable.
Top diameter of the stopper is 13/16" and is 1 1/2" tall (less the threaded stud).
Use an 11/32" or 5/16" drill bit for wood.
If you use the SS Niles thread cutting stopper mandrel, there is no need for a tap.
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A note from the Creator / Designer: 
"When I designed the tapered style, I merely copied what was on the market to fill an order for 24 bottle stoppers with my woodturnings.
Feedback from my customers made me know it was time for a stainless stopper that fit more bottles and fit better! I have wanted to do a stainless "cork" style stopper for a number of years because I knew it would be a far superior seal for wine. " -Ruth Niles
