The Drill-Mill 1/8" Carbide Bright is a high-speed steel drill bit with a 1/8" diameter. It has a bright finish and is made of M2 high-speed steel with 8% cobalt for hardness and wear resistance. The 135 degree split point tip allows for faster penetration and reduced walking. It can drill through steel, cast iron, aluminum, copper, brass, plastic and wood. It has an overall length of 2-1/2" and a 1/4" shank diameter. The drill bit is manufactured in the USA by Allied Machine and Engineering Corp. This drill bit is ideal for precision drilling applications in metalworking.