There are many wood joints available to make, joints are used to build strength into. products. the joints below are the joints that are commonly used in schools.. Because the screws are toe-nailed at an angle into the wood, the joint is much stronger than a typical butt joint where the screws go directly into the end grain.. Wood joinery methods that use no fasteners. project may call for some finish nails or wood screws, simple and unique woodworking joint.