• Manufactured in high-speed steel with cobalt alloy (HSS-Co) for maximum thermal resistance. • Ideal for drilling hard materials such as stainless steel and castings. • Ground cutting geometry under DIN 338N standard for greater precision. • Exact drilling diameter of 2.50 mm. • Presentation in a plastic bag with a set of 2 units. • Designed for a long service life and less wear during intensive use.