Index Technical Drilling Milling Turning E B C A D Information D 16 Toshiba Ingersoll ISO ZCC-CT Sandvik Kennametal Sumitomo Mitsubishi Kyocera Walter Iscar SECO Korloy Widia Tungaloy Tague Tec N YD101 H10 883 N01 KF1 H1 KS05F YD201 H13A 890 Uncoated carbide K313 K68 YD101 H10 WK01 890 KX N10 KF1 H1 HTi10 KS15F KW10 IC20 H01 K10 THM YD201 H13A WK10 HX THM-F K313 K68 YD101 H10 KX Technical information Non-ferrous metals N20 KF1 KS15F KW15 IC20 Conversion table grades – turning YD201 H13A HX THM-F Conversion table grades – turning/milling