National Taper Pipe (NPT) Threads

  • NPT form is full form, for 27 NPT or 18 NPT Staggered thread form replaces 27 with 27G, 18 with 18G
  • Other Sizes Available Upon Request - Tools will cut internal & external thread
  • Coatings available include TiAIN (Z) - Stocked, TiN (C) - Not stocked, AlTiN (V) - Not stocked
  • Custom Weldon flats available in lieu of round shanks
  • Non-stock coatings available in 10 days
  • Dimensions shown in Inches



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Item # Pitch (d) Cutter Diameter (l) Length of Cut Number of Flutes (L) Overall Tool Length (D) Shank Diameter List Price
121412-1CSNPT

14

0.495

1.000

4

4.0

0.500

121412-1CSNPTC

14

0.495

1.000

4

4.0

0.500

121412-1CSNPTF6

14

0.495

1.000

6

4.0

0.500

121412-1CSNPTF6C

14

0.495

1.000

6

4.0

0.500

121412-1CSNPTF6V

14

0.495

1.000

6

4.0

0.500

121412-1CSNPTF6Z

14

0.495

1.000

6

4.0

0.500

121412-1CSNPTV

14

0.495

1.000

4

4.0

0.500

121412-1CSNPTZ

14

0.495

1.000

4

4.0

0.500

142714-1CSNPT

27

0.240

0.625

4

3.0

0.250

142714-1CSNPTC

27

0.240

0.625

4

3.0

0.250

142714-1CSNPTD190

27

0.190

0.400

4

3.0

0.250

142714-1CSNPTD190C

27

0.190

0.400

4

3.0

0.250

142714-1CSNPTD190V

27

0.190

0.400

4

3.0

0.250

142714-1CSNPTD190Z

27

0.190

0.400

4

3.0

0.250

142714-1CSNPTV

27

0.240

0.625

4

3.0

0.250

142714-1CSNPTZ

27

0.240

0.625

4

3.0

0.250

340834-1CSNPT

8

0.745

1.125

4

4.0

0.750

340834-1CSNPTC

8

0.745

1.125

4

4.0

0.750

340834-1CSNPTF6

8

0.745

1.125

6

4.0

0.750

340834-1CSNPTF6C

8

0.745

1.125

6

4.0

0.750

340834-1CSNPTF6V

8

0.745

1.125

6

4.0

0.750

340834-1CSNPTF6Z

8

0.745

1.125

6

4.0

0.750

340834-1CSNPTV

8

0.745

1.125

4

4.0

0.750

340834-1CSNPTZ

8

0.745

1.125

4

4.0

0.750

3411534-1CSNPT

11.5

0.745

1.044

4

4.0

0.750