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290-302 || .245 Diameter, Uncoated Helical NPT Threadmills

  • Helical NPT threadmills designed for precision machining of National Pipe Taper threads
  • Ideal for producing accurate tapered internal threads with excellent surface finish and thread form control
  • Helical threadmilling process reduces cutting forces and allows precise control in blind or through holes
  • Manufactured from A-Gr-SiV Premium Carbide Blend (Active Grain Sized Volume) for strength and extended tool life
  • Proudly made in the USA from solid carbide for consistent, high-performance threading results
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