... TiAlN Coated;(4) Round Shank, One Flat Key Shank;HSS Roughing End Mills, DIN844 ,Square Manufacturing Process: Fully GroundSpiral Angle: Helix ... 4341, 9341, M2, M35, M42Finishing: Bright, TiN, TiNALHSS Roughing End Mills, DIN844 ,Square -LONGROUGH END MILLS reqular length -DIN845 HSS - FORM NR -taper ... SquareMaterial: HSS 4341, 9341, M2, M35, M42Finishing: Bright, TiN, TiNALHSS End Mills Set END MILL