1. 4 flutes.high spiral cutting; 2. ATiN,TiCN and TiAIN coated upon request; 3.-HRC<60, AlTiN coating -Grain size 0.4~0.6um Flute diameterShank diameterFlute lengthOverall length0.341.0500.441.0500.541.0500.641.5500.741.5500.843500.943501.146501.246501.346501.446501.648501.748501.848501.94850 Solid carbide end mills