Bobs Wood Shop

New beginnings

Up until now its been hit or miss when I come to my old blog site mostly because I have been out in the shop building, editing my YouTube videos, shipping special orders or working on the new website. I will at least try to enter some of the articles from the website here from time to time.

Here is the most recent one.

How to make a “drawbored mortise & Tenon joint”:

Once you have your mortise and tenon ready to install after dry fitting drill two holes through the mortise piece without the tenon making sure you go deep enough to penetrate the material on the other side of the mortise by the thickness of the outer wall of the mortise. Dry assemble the joint and use the same brad point bit you just used to drill the hole now locate and transfer the hole centers in the tenon don’t forget to clamp the joint before you mark the tenon. Disassemble the joint measure 1/16” to 1/8” back towards the shoulder and mark an offset on the tenon directly in line with the mark you just made with the bit. Drill the holes in the tenon at the new offset marks. Before you drive your pin into the hole you need to taper it at least enough to pass through the mortise and halfway into the tenon (if you don’t do this the pin will not past the offset and you will break the pin or the tenon).  Hammer it Home! Did you forget to put the glue in the joint? Not a problem, you don’t need it. When the pin contacts the offset hole you will actually notice it starts tilting slightly. Once you reach the other side of the tenon, the pin should straighten out when it bottoms out you will know by the sound and you’re done. This joint was used hundreds of years ago in shipbuilding and only in the 18th century was it used in furniture building. Today it is simulated to give an astatic effect to furniture Green & Green employed this in their design.


June 26, 2014 Posted by | What projects are in progress? | Leave a comment


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