Professional HSS cobalt metal drill bit 8 mm from IRWIN offers high resistance to overheating, fast and clean drilling, and long service life. Ideal for working in mild and high-alloy steels, cast iron, and non-ferrous metals.
This precision bit is made from high-speed steel with 5% cobalt, which increases its hardness, stability, and heat resistance. As a result, it delivers higher cutting speeds even at lower feed rates and maintains a sharp edge under demanding use.
Perfect for heavy-duty workshop and assembly work. Reliably handles drilling in mild steels, high-alloy steels, cast iron, and non-ferrous metals, wherever you need a clean hole and consistent performance.
