t-slot end mills with Long shank,4flutes,AlTiN coated,For graphite/cast iron sloting Dia10*T height 3.0*corner radius 0.2*75mm Material:Solid carbideDia:0.5-25mmAccuracy:0.002mmCoating: TiAlN/TiCN are provide we make T type milling cutter in various diameter/length/helix angle and shapes, Our carbide mills has established a high reputation in domestic,you are welcome to reach us anytime