Product System Hard materialHeat treatedToolAlloysteelssteelssteelsHigh carbonsteelsMedium carbon steelsLow carbon steelsDuctileCastcast ironsirons Hard materialHeat treatedToolAlloysteelssteelssteelsHigh carbonsteelsMedium carbon steelsLow carbon steelsDuctileCastcast ironsirons New System table of taps for steels, blind hole use(low and middle speed range) slow Tapping speed fast 5m/min 10m/min 15m/min 20m/min 30m/min Workpiece Workpiece Materials Area of full rigid lead feed Materials 60HRC UH-CT>>> ⑤-27 60HRC 55HRC 55HRC EH-CT 45HRC >>> ⑤-23 45HRC 45HRC EH-HT 45HRC >>> ④-119 35HRC 35HRC HC+SP SKS >>> ①-129 SKS SKD HC - SP SKD >>> ①-129 SCM SCM SCr SCr SP>>> ①-35S45C +SP>>> ①-55 S45C HT >>> ④-3 S45C S45C S30C S30C IHT E-SP >>> ④-49 >>> ①-127 ISP >>> ①-59 S25C S25C SS400 SS400 FCD FC-HT N-CT FC FCD >>> ④-91 >>> ⑤-10 FC FC 5m/min 10m/min 15m/min 20m/min 30m/min An image telling possible applications Product System-3