FORTIS Foret helicoidal DIN338 RN 7,7mm

Jobber drill with cyl. shankDesign: HSS Co5, DIN 338, type N Profile grinding, right cutting, with precise cross point geometry, normal angle of rake, core thickness and core gradient. Application: The proportion of cobalt provides for improved thermal resistance, ideal for alloyed and non-alloyed steels (up to 900 N/mm² in strength), hot and cold work steels, tempered and case-hardening steels and for rust and acid-resistant steels.