• Set of 25 high-speed steel (HSS) drill bits with straight shank according to DIN 338 N • 118-degree split point for self-centering, low thrust, and easy penetration • TiN-coated tip that increases surface hardness, wear resistance, and improves tool life • Improves hole accuracy and surface finish • Suitable for use in machines or manual applications • Sizes: 1.0 mm - 13.0 mm x 0.5 mm • Compatible materials: steel <850 N/mm², cast iron, aluminum alloys <0.5%, thermoplastic resins, and thermosetting plastics