The dowel joints were x stronger than the pocket hole joints. I could have made the dowel joints stronger by using four dowels instead of two. Earlier tests indicate that such a joint should be nearly as strong as a mortise and tenon joint. Oct 26,  · The superior strength of a pocket hole joint has actually been proven. Independent testing found that a pocket screw joint failed at pounds when subjected to a shear load while a comparable mortise and tenon joint failed at pounds - meaning that the pocket screw joint was approximately 35% stronger. There are lots of factors to consider here – materials, thickness, type of joint, number of screws used Jointer Plane Uk Test – so it's impossible to give a yes or no answer. However, one well-known tool supplier ran a series of tests and the results showed that a properly constructed pocket hole joint could be up to 35% stronger than a comparable mortise and tenon.
Aug 14,  · Pocket-hole joint being assembled. Pocket-hole joinery, or pocket-screw joinery, involves drilling a hole at an angle — usually 15 degrees — into one work piece, and then joining it to a second work piece with a self-tapping screw. A pocket hole’s stepped drill bit has a narrow tip to guide the screw and a wider part to bore the pocket hole. A regular screw would likely blast all the way through the pocket hole. A pocket screw has a Jet Tools Jointer Planer wide head that rests on the little “shelf” made by the Kreg Pocket Screw Tool 30 bit. In this cutaway, you can see the flat ledge the head of the screw will stop on. Jul 14,  · Now that you know ins and outs of pocket-hole joinery, make sure you’re getting the most out of it. Using the right kind of pocket-hole screw is critical to strong, long-lasting joints. Try our online Screw Selector tool to figure out exactly which screw you’ll need for your specific project.

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