Powerful special drill, preferably suitable for titanium alloys as well as rust, acid, and heat-resistant austenitic steels. It is also suitable for high-strength steels with low toughness. Under certain conditions, this drill can be used for special alloys such as Hastelloy, Inconel, Nimonic, etc. HSSE-Co 8: High-performance high-speed steel with an 8% cobalt content. Very high toughness and excellent heat resistance, designed for drilling in high-strength materials, austenitic steel, for hot forming, etc., with a strength of up to 1100 N/mm².