Taper Conical

NPT Hole Prep End Mill

Carbide end mills designed to prepare an existing hole for an NPT / NPTF tap or thread mill operation. Allows the user to mill an existing hole with a conical form in line with the minor diameter of a pipe thread created via thread milling. Enables smaller horsepower machines to handle larger pipe thread machining in a wide range of materials.

  • 1° 47' flute taper angle
  • Solid carbide
  • TiAlN-T21 coated for heat and wear resistance
  • 4 flutes
  • HA Cylindrical shank design
  • Contact Emuge-Franken for programming assistance if required

NPT Hole Prep End Mill
Part Number Description Stock
USA
Stock
Germany
3914A.037020 3/8" NPT Tapered Carbide End Mill
 
3914A.050020 1/2" NPT Tapered Carbide End Mill
 
3914A.075030 3/4" NPT Tapered Carbide End Mill