Both mandrels are #2 Morse  taper, both have a 3/8"x16tpi thread and the step or collar that is the same  diameter as the stoppers.  The differen...

#2MT-B  3/8" x 16 tpi screw with a "slit" in the threads  so it is self tapping (**see bottom picture on left).  The Morse taper end is threaded ...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with cork...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with cork...

    "Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with c...

Saves time and holds stopper blanks securely. . Chuck's threaded insert matches the components of most of our bottle stopper kits. Will not work wi...

Optional  Acc. Lathe Chuck 1x8tpi   1500     Drill Bit 5/16"                    A perennial favorite with our customers and a great ch...

  A perennial favorite with our customers and a great choice for your first bottle stopper project. Sits slightly higher in the bottle than our Vi...

  A perennial favorite with our customers and a great choice for your first bottle stopper project. Sits slightly higher in the bottle than our Vi...

  A perennial favorite with our customers and a great choice for your first bottle stopper project. Sits slightly higher in the bottle than our Vi...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288   The Gold Titanium (TN) plating looks just like gold and is absolutely perm...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288   The Black Titanium Nitride plating perfectly combines durability, beauty a...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288   Elegant with a trendy flair this stainless steel bottle stopper kits inclu...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288 Made from premium quality, precision machined, solid magnetic, acid corrosio...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288 Put your turning skill on display. The Vintage Stopper has a low profile tha...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288   The Vintage Stopper has a low profile that nestles into the bottle neck to...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288   Black T/N w/Black Silicone. Vintage stoppers set a little lower in the bot...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288 Gold TN/Blk Vintage Stoppers sit lower in the bottle than the Classic Style ...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288     The cork stopper on this project provides a classic look and an airtight...

Required Drill Bit & Bushings Drill Bit: 7m    1276 Bushings: 1502     Two gifts in one! The stopper unscrews to reavel a corkscre...

Optional  Acc. Lathe Chuck 1x8tpi  1500 Drill Bit 23/64  3288 This round top version of our combination corkscrew/stopper features a tradi...

Pour Spout Specification Description Finish: Chrome How Turned: Bottle Stopper Mandrel Drill Sizes used: 23/64 Skill Level: Average ...

Required Drill Bit & Bushings Drill Bit: 15/64  3283 Mandrel  1542    One wine bottle stopper incorporates traditional cork with be...

These economical yet classy bag will dress up any pen and add far more perceived value that meager pittance they cost. Choose from Black, Blue, Gra...

Clear Bottle Stopper Display Box Specification Description Type of Display: Bottle Stopper Material: Acrylic Kit Capacity: 1 Category:...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with corks...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with corks...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with corks...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with corks...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with corks...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with corks...

This 1.25" x 8 tpi threaded Bottle Stopper Mandrel threads onto the headstock / spindle and has a unique tapered-cut flute making it the best self-...

This 1" x 8 tpi threaded Bottle Stopper Mandrel threads onto the headstock / spindle and has a unique tapered-cut flute making it the best self-tap...

Slip these mandrel adapters over the project mandrel and you will have a guide for turning your top to the exact diameter. They do not interfere wi...

Slip these mandrel adapters over the project mandrel and you will have a guide for turning your top to the exact diameter. They do not interfere wi...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with corks...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with corks...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with cork...

"Stopper are not just for wine....... they also can be used in oil and vinegar bottles, bath oil bottles and whiskey bottles that come with cork...

    * 3/8″ Bottoming Tap* 3/8″ Spiral Tap* 5/16″ Stub Drill Bit* 11/32″ Stub Drill Bit* T-Handle Wrench for Tap This complete tapping kit is gr...