Stub drills PN221182 12.50x 51x102 mm HSS DIN1897RN STIMZET

Efficient drill are recommended for usual drilling on automatic and turrer lathers of parts made of unalloyed steel or alloyed steel, cast steel up to 900 N/mm2, grey-, malleable- or nodular cast iron, sintered steel,

Al-alloys with discontinous chip, bromze, tough brass etc.

There is espacially suitable for drilling of thin-walled materials.

λ=25°÷30° ε=118°