
9 SOLID HM & HSS MILLS – ICONS OVERVIEW Cut length Cut Length, Extra Short Cut Length, Medium Cut Length, Extra long Cut Length, Short Cut Length, Long Flute Helix (FHA) l l l = Unequal (Variable) Helix 25° 25° Helix Angle (Flute) 40° 40° Helix Angle (Flute) l l l 0° 0° Helix Angle (Straight Flute) 28° 28° Helix Angle (Flute) 45° 45° Helix Angle (Flute) l l l 10° 10° Helix Angle (Flute) 30° 30° Helix Angle (Flute) 50° 50° Helix Angle (Flute) l l 12° 12° Helix Angle (Flute) 34° 34° Helix Angle (Flute) l l 15° 15° Helix Angle (Flute) 35° 35° Helix Angle (Flute) Radial rake angle (GAMF) g g g -26° -26° Radial Rake Angle (cutting) 5° 5° Radial Rake Angle (cutting) 13° 13° Radial Rake Angle (cutting) g g g -10° -10° Radial Rake Angle (cutting) 7° 7° Radial Rake Angle (cutting) 15° 15° Radial Rake Angle (cutting) g g g -6° -6° Radial Rake Angle (cutting) 8° 8° Radial Rake Angle (cutting) 18° 18° Radial Rake Angle (cutting) g g g 0° 0° Radial Rake Angle (Neutral) 9° 9° Radial Rake Angle (cutting) 20° 20° Radial Rake Angle (cutting) g g g 3° 3° Radial Rake Angle (cutting) 10° 10° Radial Rake Angle (cutting) 25° 25° Radial Rake Angle (cutting) g g 4° 4° Radial Rake Angle (cutting) 12° 12° Radial Rake Angle (cutting) Shank DIN 1835A Cylindrical Shank DIN 1835D Threaded Shank DIN 6535 HA Cylindrical Shank DIN 6535HA D B DIN 1835 – B (Weldon) or D (Threaded) Shank DIN 1835B Weldon Shank DIN 6535 HB Weldon Shank DIN 1835 15