Cobalt HSS CO metal drill

Point angle 135°
Spiral drill made of high-quality high-speed steel according to DIN 338, cobalt content 5%
Cross-ground according to DIN1412C
Tolerance diameter h 8
Spiral drill ground from solid rod with excellent surface quality of the outer surface
Precision drills with high resistance to high temperatures and durability
For use on drilling stands or in column drills
For alloy and carbon steel with tensile strength up to 1000 N/mm, V2A/V4A stainless steel, gray cast iron, iron sinters, acid-resistant and corrosion-resistant steels
Cylindrical shank