The PRO Spiral Drill Bit Set HSS-R is a high-quality drill bit set specifically designed for precise drilling in various materials. With a diameter of 0.5 mm and a cylindrical, short design, this drill bit set offers optimal handling and control. The roll-formed construction ensures high strength and durability, while the standard grind and 118° point angle guarantee efficient drilling performance. The drill bit set is ideal for machining steel, alloyed and non-alloyed cast steel, gray and die-cast, sintered iron, graphite, as well as short-chip aluminum alloys, brass, and bronze. This versatility makes it an indispensable tool for professionals and hobbyists alike.