Advent NPT Helical Flute Internal Thread Mills

View all Advent thread mill categories →
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$146.66
381838-1CSNPTF3H1/4", 3/8" NPT0.3700.3750.778318 NPT$158.40
7161812-1CSNPTH3/8" NPT0.4320.5000.778418 NPT$181.87
121412-1CSNPTH1/2", 3/4" NPT0.4950.5001.000414 NPT$205.33
581458-1CSNPTH3/4" NPT0.6200.6251.000414 NPT$264.00
340834-1CSNPTH2-1/2" NPT0.7450.7501.12548 NPT$287.46
3411534-1CSNPTF5H1" - 2" NPT0.7450.7501.044411.5 NPT$287.46
010801-1CSNPTF5H2-1/2" NPT0.9951.0001.50058 NPT$545.59
0111501-1CSNPTF6H1" - 2" NPT0.9951.0001.391511.5 NPT$545.59

AlTiN Coated

Part No.ThreadCutter Dia.ShankLOCOALPitchPriceQty / Order
51627516-1CSNPTF3HV1/8" NPT0.3080.3120.741327 NPT$170.13
381838-1CSNPTF3HV1/4", 3/8" NPT0.3700.3750.778318 NPT$181.87
7161812-1CSNPTHV3/8" NPT0.4320.5000.778418 NPT$217.07
121412-1CSNPTHV1/2", 3/4" NPT0.4950.5001.000414 NPT$240.53
581458-1CSNPTHV3/4" NPT0.6200.6251.000414 NPT$299.20
340834-1CSNPTHV2-1/2" NPT0.7450.7501.12548 NPT$322.66
3411534-1CSNPTF5HV1" - 2" NPT0.7450.7501.044411.5 NPT$322.66
010801-1CSNPTF5HV2-1/2" NPT0.9951.0001.50058 NPT$580.79
0111501-1CSNPTF6HV1" - 2" NPT0.9951.0001.391511.5 NPT$580.79