1/4-20 Nc Gh3 3 Flute Bottom High Perf Spiral Flute Tap Brubaker Usa 6-pcs 17239

US $46

  • Berea, Ohio, United States
  • May 24th
6-pcs 1/4-20 NC GH3 3FL 17239 Spiral Fluted , High  Performance , 37° Helix CPM Tungsten Vanadium High Speed Steel THREADFORM American National CHAMFER STYLE Modified Bottoming (2 to 3 threads)  The geometry of these taps is specifically designed for difficult-to-machine materials and they are manufactured from a premium grade of Vanadium High Speed Steel. They are primarily designed for tapping blind holes. The spiral flutes draw the chips out of the hole, thereby preventing clogging and recutting of chips. The modified bottoming chamfer allows for threading close to the bottom of the hole while providing additional cutting threads for hard, tough materials. Spiral flutes will also effectively bridge a keyway, or gap inside the hole, without binding. These taps can be used by hand or under power and are suitable for tapping most materials. The neck allows for less drag, additional chip space and increased coolant flow into the hole. A variety of surface treatments are available to improve performance.

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