A drywall saw is a type of jab saw with an extra-thick ... wood that would be damaged by a coarse-toothed wood-cutting blade.

If you want a saw ... handle wood up to around three inches thick with a standard blade. “However, opting for a larger blade ...

It has a screw shaped end point. Not as clean cut as a twist or flat bit. It is used with a hand drill Wood Hole saw Comprised of a twist drill surrounded by a large circular tube with a saw teeth.