Twist drill made of cobalt-alloyed high-performance high-speed steel to DIN 340, ground from solid, long, cross-ground to DIN 1412C, 135° point angle, very suitable for drilling V2A stainless steel, V4A, also for difficult-to-machine materials, e.g. for heat-, corrosion- and acid-resistant steels, special alloys, malleable cast iron, cast iron, bronze, weld seams, Cr-Ni. steels, aluminum, brass, etc.