有晙精密工具有限公司成立於西元1991年，在開創者累積多年的機床設備／刀／模具開發經驗，了解提升產業競爭力必須著重於高效能、高壽命之刀／模具之發展，成為國內首先開發鎢鋼螺紋切削工具／模具的專業製造廠，多年來秉持著品質卓越、服務熱忱之精神不斷開發新產品，為產業界克服各種螺紋加工之問題，並在客戶長期的支持與愛護下逐漸成長茁壯。


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