Diameter tolerance h8. Drill diameter over 13 mm with shank turned down to 12.7 mm. Surface bright metal, dry preservation. Precision-ground spiral flute for maximum drilling progress and tool life, as well as excellent concentricity. Ground from the solid, right-hand cutting helical flute type N, 118° point angle, taper surface grinding. Made of high-speed steel (HSS) according to DIN 338.

Application examples: For use in alloyed and unalloyed steel and cast steel up to 900 N/mm² tensile strength, grey and malleable cast iron, sintered iron, non-ferrous metals, and plastics.