Patent-Pending Square-Hole Mortise Bit – 15/16″ Size, Unique Design

Description

Wow! It has a regular auger at the tip. Then there are 2 gear driven wheels with chain saw teeth! The only example we have ever seen! Nine inches long.  Looks like a #1 morse taper.

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Quality Amazing! Patented? 15/16 Inch Square Hole Mortise Bit – 88910U for your collection.