The most versatile hole-cutting tool for rapid drilling and enlarging holes in thin materials up to 14 gauge. Designed for industrial applications, the diameter of the hole Includes eases as the CONECUT is advanced into the material, providing infinitely variable sizes. For use in sheet steel, non-ferrous metals, plastics, Formica and plywood. For imperial/metric, unless otherwise specified, Cone cut with a steam tempered blue surface treatment, which is advantageous in many applications will be supplied. However, should it be required, all imperial/metric tools can be supplied with bright ground finish on body and paint.