National Taper Pipe (NPT) Threads

  • Inserts are with neutral cutting edge or Positive 5 degree cutting edge (P) for soft materials and threadmilling deep holes
  • Coatings available include - Uncoated (-), TiN (C), TiAIN (Z), AlTiN (V)
  • Dimensions shown in Inches



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Item # Thread Form Pitch Flank Angle Rake Angle Clearance Angle Insert Size List Price
ATM-410A115NPT

Standard Taper Pipe (NPT)

11.5

60

Neutral

20

410A

ATM-410A115NPTC

Standard Taper Pipe (NPT)

11.5

60

Neutral

20

410A

ATM-410A115NPTP

Standard Taper Pipe (NPT)

11.5

60

Positive

20

410A

ATM-410A115NPTPC

Standard Taper Pipe (NPT)

11.5

60

Positive

20

410A

ATM-410A115NPTPV

Standard Taper Pipe (NPT)

11.5

60

Positive

20

410A

ATM-410A115NPTPZ

Standard Taper Pipe (NPT)

11.5

60

Positive

20

410A

ATM-410A115NPTV

Standard Taper Pipe (NPT)

11.5

60

Neutral

20

410A

ATM-410A115NPTZ

Standard Taper Pipe (NPT)

11.5

60

Neutral

20

410A

ATM-410A14NPT

Standard Taper Pipe (NPT)

14

60

Neutral

20

410A

ATM-410A14NPTC

Standard Taper Pipe (NPT)

14

60

Neutral

20

410A

ATM-410A14NPTP

Standard Taper Pipe (NPT)

14

60

Positive

20

410A

ATM-410A14NPTPC

Standard Taper Pipe (NPT)

14

60

Positive

20

410A

ATM-410A14NPTPV

Standard Taper Pipe (NPT)

14

60

Positive

20

410A

ATM-410A14NPTPZ

Standard Taper Pipe (NPT)

14

60

Positive

20

410A

ATM-410A14NPTV

Standard Taper Pipe (NPT)

14

60

Neutral

20

410A

ATM-410A14NPTZ

Standard Taper Pipe (NPT)

14

60

Neutral

20

410A

ATM-410A18NPT

Standard Taper Pipe (NPT)

18

60

Neutral

20

410A

ATM-410A18NPTC

Standard Taper Pipe (NPT)

18

60

Neutral

20

410A

ATM-410A18NPTP

Standard Taper Pipe (NPT)

18

60

Positive

20

410A

ATM-410A18NPTPC

Standard Taper Pipe (NPT)

18

60

Positive

20

410A

ATM-410A18NPTPV

Standard Taper Pipe (NPT)

18

60

Positive

20

410A

ATM-410A18NPTPZ

Standard Taper Pipe (NPT)

18

60

Positive

20

410A

ATM-410A18NPTV

Standard Taper Pipe (NPT)

18

60

Neutral

20

410A

ATM-410A18NPTZ

Standard Taper Pipe (NPT)

18

60

Neutral

20

410A

ATM-410A8NPT

Standard Taper Pipe (NPT)

8

60

Neutral

20

410A