FORTIS Foret helicoidal DIN338 3,1mm

Spiral drill set with cyl. shank, HSS, rolled, FORMATDesign:Profile grinding, right cutting, with precision ground point as well as high concentricity and pitch accuracy. Point thinning up to Ø 2.4 mm similar to cross-grinding. Normal angle of rake, core thickness and core gradient. Application: High-performance standard drill for drilling alloyed and non-alloyed steel.