Usage: Drill bits are particularly suitable for cutting hard metals such as stainless steel, cast iron, superalloys, titanium alloys, hard plastics, and wood. It can also be used for soft materials. Material: Adopting high-speed steel cobalt drill bits, suitable for quenching steel, with good cutting performance. The blade is hardened and polished to enhance sharpness, ensuring precise cutting without shaking. Can make your cutting process faster and simpler.