Advent NPT Helical Flute Internal Thread Mills

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Advent Tool & Manufacturing Advent NPT helical flute internal thread mill

Solid Carbide Helical Flute Thread Mills

National Pipe Taper (NPT) Internal Threads

  • Other sizes available upon request. Tools cut internal threads only.
  • AlTiN (V) coating available.
  • Custom Weldon flats available in lieu of round shanks.
  • Non-stock coatings available in 10 days.
  • Dimensions shown in inches.
Advent helical flute thread mill diagram

Uncoated

Part No.ThreadCutter Dia.ShankLOCOALPitchPriceQty / Order
51627516-1CSNPTF3H1/8" NPT0.3080.3120.741327 NPT$171.69
381838-1CSNPTF3H1/4", 3/8" NPT0.3700.3750.778318 NPT$189.15
7161812-1CSNPTH3/8" NPT0.4320.5000.778418 NPT$236.68
121412-1CSNPTH1/2", 3/4" NPT0.4950.5001.000414 NPT$261.90
581458-1CSNPTH3/4" NPT0.6200.6251.000414 NPT$348.23
340834-1CSNPTH2-1/2" NPT0.7450.7501.12548 NPT$398.67
3411534-1CSNPTF5H1" - 2" NPT0.7450.7501.044411.5 NPT$398.67
010801-1CSNPTF5H2-1/2" NPT0.9951.0001.50058 NPT$821.59
0111501-1CSNPTF6H1" - 2" NPT0.9951.0001.391511.5 NPT$821.59

AlTiN Coated

Part No.ThreadCutter Dia.ShankLOCOALPitchPriceQty / Order
51627516-1CSNPTF3HV1/8" NPT0.3080.3120.741327 NPT$186.24
381838-1CSNPTF3HV1/4", 3/8" NPT0.3700.3750.778318 NPT$204.67
7161812-1CSNPTHV3/8" NPT0.4320.5000.778418 NPT$261.90
121412-1CSNPTHV1/2", 3/4" NPT0.4950.5001.000414 NPT$287.12
581458-1CSNPTHV3/4" NPT0.6200.6251.000414 NPT$373.45
340834-1CSNPTHV2-1/2" NPT0.7450.7501.12548 NPT$436.50
3411534-1CSNPTF5HV1" - 2" NPT0.7450.7501.044411.5 NPT$423.89
010801-1CSNPTF5HV2-1/2" NPT0.9951.0001.50058 NPT$846.81
0111501-1CSNPTF6HV1" - 2" NPT0.9951.0001.391511.5 NPT$846.81