5/16 14 tap and die

[chuckpilegis]

 

[Michael Webb]

View attachment 828981

No disrespect intended but if it's not a split die, it's only good for chasing existing threads if that, not really making threads.
Jmo

 

[Sheldon]

I couldn't imagine trying to use a die on wood. What you need is a cutter mounted in a router or other motor that will cut them nice and clean.