Thread Milling Tools CONTENTS PAGE THREAD MILLING – INTRODUCTION ORDERING CODE 3 SOLID THREAD MILLING TOOLS 4 ISO – HELICAL FLUTES 5-6 UN – HELICAL FLUTES 7-8 NPT – HELICAL FLUTES 9 NPTF – HELICAL FLUTES 10 BSP – HELICAL FLUTES 11 BSPT – HELICAL FLUTES 12 PARTIAL PROFILE – SINGLE TOOTH 13 ISO – 3 TEETH 2D 14 ISO – 3 TEETH 3D - 4D 15 UN – 3 TEETH 2D 16 UN – 3 TEETH 3D 17 UNJ, MJ -3 TEETH 3D 18 ISO – 3 TEETH 2D (Hard Materials) 19 ISO – 3 TEETH 3D (Hard Materials) 20 UN – 3 TEETH 2D (Hard Materials) 21 UN – 3 TEETH 3D (Hard Materials) 22 ISO – STRAIGHT FLUTES 23 UN – STRAIGHT FLUTES 24 NPT, NPTF – STRAIGHT FLUTES 25 BSP, BSPT – STRAIGHT FLUTES 26 CHAMFERS 27 TAPER END MILL & 45° CHAMFER 28 TECHNICAL SECTION THREAD MILLING CYCLES 29 MACHINING CONDITIONS 30 TROUBLESHOOTING 31 2