Hand saws are hand-held tools, either powered or manually-driven, that are designed to cut through softer materials. They accomplish cutting using a hard, serrated blade, or by using a wire with an ...

The Kharkovchanka: a mobile fortress that braved the icy extremes of Antarctica. Built by the USSR to outdo American efforts, ...

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.