Application Guide P M K N S H Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCastIron30040017-4 PHAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-50HRCHRC50-70HRC Spiral Pointed Taps 259 260 269 11015 11115 13118 13059 13159 11016 11116 11017 11117 280 289 287 288 105 105B 105A 105+ 105H 142H good best WWW.OSGTOOL.COM Illustrated Index/Application Guide 349