This professional HSS drill bit set is engineered for workshops that demand dependable cutting performance across a broad range of metalworking tasks. Manufactured from premium M2 high speed steel, every bit in this kit delivers consistent hardness, excellent wear resistance and the durability required for daily production environments. The set covers multiple metric diameters from 1.0 mm to 13.0 mm, giving machinists, fabricators and maintenance teams a complete solution for
