Metal drill bit set PROF/Profi 3.4x70mm with 5% cobalt (pack of 2) Cutop 48-366

CUTOP Profi professional metal drill bit with 5% cobalt addition is designed for drilling holes in carbon and alloy steels, gray and malleable cast irons, non-ferrous metals, and plastic. The drills have the highest accuracy class A1 and drill holes with high-precision diameter. 5% cobalt and alloying elements in the steel composition provide the drills with advantages such as high service life, low brittleness, abrasion resistance, improved cutting properties, high hardness, and increased wear resistance. The cylindrical shank of the drills is compatible with the chucks of most drills and drivers.