Bottle Stopper Drilling

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rebfan04

Member
Joined
Dec 15, 2010
Messages
65
Location
Flowood, MS
Going to do some Bottle Stoppers. Got the setup from PSI that holds material after drilling. I drill on lathe. Whats the easiest way to drill on lathe? 4 jaw chuck? Suggestions for what to buy.
 

KenV

Member
Joined
Oct 28, 2005
Messages
4,720
Location
Juneau, Alaska.
Method 1 -- Ruth Niles recommended - Drill with a 23/64th bit and thread the hole with a 3/8 by 16 tap or use the threads on the mandrel.

Method 2 -- Use a drill bit 5/16 or larger up to the 23/64 and tap with a 3/8 by 16 plug tap.


With Wood -- I tend to put a bit of thin CA glue on the threads and after the CA has set (be sure it is set) lightly coat the tap with PAM spray and recut the threads.

Wood cut best if you cut the threads straight rather than backing off as taught with metal -- less tearout.

Acrylics use the larger bits than 5/16 - the threads are not as high, but you do not get as much breakage of threads. CA treatment is optional -- look for thread condition and decide.
 
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