In this video, we do box joint jig easily. I not have guessed that interlocking pieces of wood could be so durable. Wood joints with box joint are very solid. The few att
In this video, I make an adjustable drill bit. I start by using the metal I cut from the M12 bolt. Then I am cutting a Spade Drill Bit. Then I combine the two.
You can use it both to drill 90 degree holes and to drill holes in the depth you want. It also works for joining two woods together, you can see in the video.