Application Guide P M K N S H Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCastIron30040017-4 PHAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-50HRCHRC50-70HRC Straight Fluted Taps 180 101L Screw Thread Insert Taps 16260 16360 315Ti 315Ni 315 345STI 302 343STI 13039 S108 S109 314Ti 314Ni 314 344STI good best 301 342STI 13036 125 127 good best WWW.OSGTOOL.COM Illustrated Index/Application Guide 355