supply of solid carbide end mill ball nose dia 4.0 mm with parallel shank helix angle 38-45 deg, to cut the material hardness up to 45 hrc sizedia. 4.0 mm, shank dia. 6.0 mm flute length6 mmradius2.0 mm total length65 mmtolerance on flute length0.5d, tolerance on total length,
