This tool reams the arm stump and leg holes in the seat to a six-degree taper. It also works for reaming the arm stump holes in the arm. The blade tapers from 3/8″ to 1 1/4″ and is 1/16″ thick. See Jennie Alexander’s website for instructions on making your own. Developed by Richard Starr.

To keep up with the competition, the blade is now twenty-five percent thicker (1/16″), and the slot is machined for a more precise fit. A set screw has been added to adjust the depth of cut.

Reamers — $80 each

Custom reamers are available in eight degree tapers, eleven degree tapers and custom sizes for $120 each. Contact me to order.


This Set of Five Tools includes a leg tenon cutter, a arm-stump tenon cutter, and a 1/2″ spindle tenon cutter, plus one six-degree reamer and one 5/16″ dowel plate. Dowel plates in other sized are available separately. Visit the Tenon Cutters page for more info.

Set of Five Tools — $275

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“The tapered reamer exceeded my expectations…. Your tools would be a bargain at twice the price!”
–  Brian Eve

Read about the pros and cons of 6 versus 11 degree tapered tenons.

Read instructions for using reamers.

Make a Reamer: Jennie Alexander’s website has detailed instructions for making a reamer.