Screw machine drill with wider flutes. Made of high speed steel. Applicable for drilling in steel, cast steel, alloyed and non-alloyed, grey cast iron, graphite, malleable cast iron.

Made specially for the high end manufacturing industry, these are more than capable for jewelry applications in non-ferrous materials. 

These drills are custom made by one of the leading tool and die manufacturers in the world, exclusively for Pepetools in the jewelry industry.