Tongue and groove joinery has been around for a long time. For those of you that do not have the proper blades , do not think that you are out of luck. There are many different ways to accomplish the same goal and in this video / blog I will show you how.
First, I will show you how to make tongue and groove joinery that will be used for long grain to long grain joints to make large wide panels. Set you fence where the blade is just off center. You will also need a flat bottom grind saw blade to make consistent flat grooves. The blade height will be 3/8” high.