SOLID CARBIDE ENDMILL CUTTER Dia 4mm x 12 mm flute length x 47 mm over all length X 4 mm Shank, with AlTiN Coating having 4 flutes with Flat End or Sqaure End having 30 ° Helix Angle & best suitable for work material having hardness of up to 45 HRC, Grade : MAC2000(Universal gr..