CMT makes many tenoning bits ,can and you please go into more of the details about the bit you are thinking about
I have many of the CMT bits and maybe I can help.
But you best off to just use the table saw to make what you want the router bit is not a cheap one.
BUT on the other hand you can use the router table to make tenons that come out clean and true unlike the table saw way.
I have done it both ways and the router will just do a better job.
I use a Horz.Router table when I make tenons because they are true and can be just about any size I want them to be quick and easy.
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