9 Material code (BMC) HSS HSS HSS HSS Mill Profile N N 110-180 100-140 130-220 160-350Number of flutes (NOF)NOFNOFNOFNOFNOF8 NOF8 Cut length Flute Helix (FHA) l l30°30° Radial rake angle (GAMF) g18° g18° g18° g18° g12° g12° Shank Coating ST ST ST ST Bright TiCN Cutting diameter tolerance DC DC class (TCDC) js16 js16 Direction Basic standard group (BSG) Product Family Code D752 D753 D750 D751 D400 D420 250.00 - 350.00 250.00 - 350.00 200.00 - 350.00 200.00 - 350.00 40.00 - 63.00 40.00 - 63.00 & 186 & 187 & 188 & 189 & 190 & 191 P1 P P2P3 P4 M1 M M2M3 M4 K1 K2 K K3 K4 K5 N1 N2 N N3 N4 N5 S1 S S2S3 S4 H1 H H2H3 H4 Primary use Possible use 124