Wood joint strength testing i had previously tested a mortise and tenon joint against a dowel joint for strength. in that test the mortise and tenon joint won.. How to choose the right joint for the job . this joint can work very well and be as strong as the wood itself. when a butt joint is used to join the end of a. Woodworking joints strongest after all slots are cut, stand each board on end and coat the edge of jointed side with wood glue. woodworking joints strongest.
