This product is the perfect solution for mounting your bottle stopper blank onto the Bottle Stopper Chuck (114915, 114916 above). With this system you just drill a blank then tap the thread that will mount your blank securely onto the chuck.
The set includes: a 5/16" drill bit, a ratcheting reversible handle, and a centering tap to thread a 3/8" thread into your blank. Works on wood, acrylic or any other machineable material.
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