carbide,spiral,roll,form,pointed,taps,,thread,dies,thread,mills, Yeou Jiunn Precision Tools Co., LTD. is a professional and trust-worthy tungsten carbide thread cutting tool manufacturer(products including: carbide spiral taps /carbide pointed taps /carbide forming taps /carbide fluteless taps / crbide die for cutting thread/ carbide die for forming thread / carbide die for rolling thread/ thread milling cutters for Auto-lathe or CNC Machine Center or CNC Lathe or Tapping Machine). We specialize in providing custom-made cutting tools according to different cut materials (i.e. the material of the matter that will be cut by our products.) Products with various standards from different countries, such as ISO, JIS, ANSI, and DIN, can be ordered and custom-made. Pipe thread:PT、NPT、NPTF、PF=G、PS、NPSM American Unified thread:UNEF、UNF、UNC、UN、UNS Metric thread:M