... , M42Finishing: Bright, TiN, TiNAL4 (6) Flutes HSS End Mills with Square End --- Long SeriesManufacturing Process: Fully GroundSpiral Angle: Helix 30Flutes: ... 9341, M2, M35, M42Finishing: Bright, TiN, TiNALHSS Single Flute End Mills - AluminumManufacturing Process: Fully GroundSpiral Angle: Helix 30Flutes: 2 ... HSS 4341, 9341, M2, M35, M42Finishing: Bright, TiN, TiNALHSS End Mills Set END MILL