Ensuring high hardness and durability, increased heat resistance and wear resistance. The cobalt material gives the bit great wear resistance and overall toughness, making it great for long-term use in a variety of drilling applications. Quick and Clean Drilling: with effective chip removal to prevent clogging, perfect for a range of materials including metal, wood, and plastic. Wide Applications: This cobalt twist drill bit is suitable for a variety of drilling applications, including metalworking, woodworking, and plastic fabrication. It is great for use with harder materials such as stainless steel, titanium, cast iron, malleable iron, harden metal and other alloys, wood, and plastic, and is well-suited for both DIY and professional use, Manufacturer: Akfldms