The original hand saw is a tool so storied that your great-great-grandfather probably had one in his shed. It features a long, wide blade that tapers gently from the wooden handle to the other end.

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.

A. It mostly happens because the kerf (the cut slot made by the saw) tightens around the blade. It’s most common with thin ...