ICONS OVERVIEW Flute Helix (FHA) Radial rake angle (GAMF) 40° Helix Angle (Flute) 10° Radial Rake Angle (cutting) -6° Radial Rake Angle (cutting) Unequal (Variable) Helix 20° Radial Rake Angle (cutting) g8° 8° Radial Rake Angle (cutting) l30° 30° Helix Angle (Flute) 15° Radial Rake Angle (cutting) 13° Radial Rake Angle (cutting) g7° 7° Radial Rake Angle (cutting) Cutting diameter tolerance class (TCDC) Milling Direction DC h9 - Industry Standard Tool Tolerance Zoneh9(based on diameter range)Plunging, Ramping, Side Cutting Side Cutting Ramping, Side Cutting Cut length Extra short Medium Extra long Short Long Mill Profile General Purpose Cutter Type for Low to High Coarse Pitch Asymmetrical Rounded Profile Non-ferrous Cutter Type with Coarse Pitch Resistance Materials Chipbreaker Asymmetrical Rounded Profile Chipbreaker FS Semi-finishing Profile Chipbreaker Non-ferrous Cutter Type for Soft Malleable Ma-terials Number of flutes NOF2 Number of Flutes = 2 (teeth) Number of Flutes = 3 (differential pitch) NOF4= Number of Flutes = 4 (differential pitch) NOF3 Number of Flutes = 3 (teeth) NOF3-4Number of Flutes = 3-4 (teeth) Number of Flutes = 5 (teeth) 5