Shank typeWeldon (DIN 6535-HB)Number of flutes (z)4Spiral angle36° / 38°Coolant feedNoQualityHP2 UNITool materialSolid carbideSurfaceAlCrNTolerance d1 (Tol. d1)h10Tolerance d2 (Tol. d2)h6Tolerance l1 (Tol. l1)0/+2Tolerance l2 (Tol. l2)0/+1Tolerance l2 (Tol. l3)0/+1