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= Unequal (Variable) Helix l25° 25° Helix Angle (Flute) l40° 40° Helix Angle (Flute) l0° 0° Helix Angle (Straight Flute) l28° 28° Helix Angle (Flute) l45° 45° Helix Angle (Flute) l10° 10° Helix Angle (Flute) l30° 30° Helix Angle (Flute) l50° 50° Helix Angle (Flute) l12° 12° Helix Angle (Flute) l34° 34° Helix Angle (Flute) l15° 15° Helix Angle (Flute) l35° 35° Helix Angle (Flute) Radial rake angle (GAMF) g-26° -26° Radial Rake Angle (cutting) g5° 5° Radial Rake Angle (cutting) g13° 13° Radial Rake Angle (cutting) g-10° -10° Radial Rake Angle (cutting) g7° 7° Radial Rake Angle (cutting) g15° 15° Radial Rake Angle (cutting) g-6° -6° Radial Rake Angle (cutting) g8° 8° Radial Rake Angle (cutting) g18° 18° Radial Rake Angle (cutting) g0° 0° Radial Rake Angle (Neutral) g9° 9° Radial Rake Angle (cutting) g20° 20° Radial Rake Angle (cutting) g3° 3° Radial Rake Angle (cutting) g10° 10° Radial Rake Angle (cutting) g25° 25° Radial Rake Angle (cutting) g4° 4° Radial Rake Angle (cutting) g12° 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