Pipe Threads


GF thread mill designed for NPSF pipe threads

  • NPSF American Standard straight pipe tap per ANSI B1.20.3
  • Dryseal internal straight pipe thread for fuel, combined with external tapered pipe thread NPTF or PTF-SAE-Short
  • Gage with tapered gages
  • IKZ - axial coolant fed for efficient chip evacuation
  • Bright or TICN coated option for wear resistance and additional tool life
  • Metric size shanks
  • 15˚ right-hand spiral flute geometry for blind and through hole applications

Part Number Description Stock
GF172101.5905 1/8-27 NPSF/NPSI - GF -Pipe Thrd    
GF172106.5905 1/8-27 NPSF/NPSI - GF -Pipe Thrd- TICN
GF172111.5906 1/4-18 NPSF/NPSI - GF -Pipe Thrd    
GF172111.5907 3/8-18 NPSF/NPSI - GF -Pipe Thrd    
GF172116.5906 1/4-18 NPSF/NPSI - GF -Pipe Thrd- TICN
GF172116.5907 3/8-18 NPSF/NPSI - GF -Pipe Thrd- TICN
GF172131.5908 1/2-14 NPSF/NPSI - GF -Pipe Thrd    
GF172136.5908 1/2-14 NPSF/NPSI - GF -Pipe Thrd- TICN