Necessity is the mother of invention, or so they say. [Jason] was in such a situation where he needed to install some safety railing at his grandmother’s house. He didn’t have the necessary ...

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.

Standard Size: 17 drill sizes, from 1/8" to 3/8", in 1/64" increments Metric Size: 17 drill sizes - 3mm to 9.5mm in 0.5mm increments plus 3.3mm, 4.2mm and 6.8mm Use on flat surfaces, round parts ...