8 Most Common Types of Wood Corner Joints

From traditional carpenters to the most modern machineries are using these common woodworking joints as furniture construction or other wood products for corner connection. You can find it in every single wood products at home.

1. Butt Joint
This joint is very simple just to connect the other wood end to the width or thickness side of the other piece. No need further works, just a smooth cut and to reinforced it by glue, nails, or screws.
Butt join has low strength, it is typically used for frames or trim that don't make the structure of product.

2. Miter Joint
People use this joint when they do not want to see the wood end at the joint. It has better advantage compared to Butt joint, and gives bigger surface to apply glue on the connection. The strength is still low so it needs reinforcement by adding nails, screws, or staples.

3. Half-Lap joint
It is a common join when another piece need overlap the other piece to support. Mostly the overlapped piece will have smaller dimension on top of the main piece. This join is commonly used for rails under the bed, open kitchen rack, or main frame of roof top.

4. Bridle joint
Very common joint used in the furniture frame and other frames products. It give nicely artistical impression but requires precise and high technique of woodworking. The line at the joint must be clean and accurate to have a good grab and sufficient surface for the glue.

This joint is more suitable for indoor products with less exposure to extreme weather.

5. Tenon and Mortise joint
This joint similar to Bridle joint at a piece (the tenon), and there is a hole (not go through) at another piece called mortise. The advantage of this joint compared to Bridle joint that the wood edge is hidden. It gives 2 impacts on the construction, bigger amount of glue can be applied and better appearance of the joint.

Traditional carpenter used to choose this joint instead of Bridle join because even if the mortise dimension is not precise enough, it will not be visible and even it gives additional space for more glue amount.

6. Box joint
Some also call this finger joint and mostly applicable for wide timber joints. Basically it's an extension of Bridle joint to adjust the width. Esthetically this joint has a nice looks, and technically simple to do and strong. Very suitable for drawer box construction or other wide board made of solid wood or plywood.

7. Dovetail joint
Dovetail joints is similar to Box joint with a little different angle. It works better for hard wood, higher density wood. Even without additional glue as reinforcement, this joint have a strong bond and wood pieces are irremovable at one direction against the tail angle.
This construction consists of interlocking pins and tails in trapezoidal shapes. This joint exposed typically shows the expertise of craftsmanship.

8. Dowel joint
Dowel joint used to be popular because its simplicity of process just by a drilling machine. As it does not give enough strength at certain position and the work to produce the dowels are not anymore efficient nor practical. The wood dowel is normally specially crafted that it will expand when applied with glue and make the joint tightened.

For knock-down system furniture this joint still the favorite for the convenience of customer assembling.



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