“SHIVMAC” MakeMICRO GRAIN SOLID CARBIDE ENDMILL DIA 22.50mm x CEL 15mm x OAL 90mm x Shank Dia 20mm x 6 Flutes x 30 degree Helix As per Drawing No. T-20759, TiAlN Coated To machine Alloy Steel (EN21) of 28 HRC ( MAC2000 Grade )Model No. : SCEM22.5X15X90X20X6FXTiAlN..