The cuts made when creating the two mating workpieces of a tongue and groove joint are non through cuts meaning that the saw blade never goes all the way through the wood.
Cutting a groove in floor boards.
The same bit can be used to cut both pieces of the joint.
Wedge the boards together if necessary to straighten bowed boards.
If you don t have the budget for those bits a simple straight flute bit can be used to cut a tongue and groove joint.
The tongue and groove is one of the most basic and useful joints.
Both the tongue and groove is passed through just once and gives it a beautiful and strong factory like fit.
Cut the wedge from a scrap of flooring with the groove left on.
Not only will the shaper be able to handle the quantity of boards setting it up is simple.
In an ideal world without these restrictions the best method in cutting tongue and groove joints for floor panels is through the shaper.
Use a straight flute bit to cut the joint optional specialty tongue and groove bits make easy work of creating the joints but they can be a bit expensive.
Cut badly bowed boards into shorter lengths.