National Straight Pipe (NPS) 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-38A115NPS

National Straight Pipe (NPS)

11.5

60

Neutral

20

38A

ATM-38A115NPSC

National Straight Pipe (NPS)

11.5

60

Neutral

20

38A

ATM-38A115NPSP

National Straight Pipe (NPS)

11.5

60

Positive

20

38A

ATM-38A115NPSPC

National Straight Pipe (NPS)

11.5

60

Positive

20

38A

ATM-38A115NPSPV

National Straight Pipe (NPS)

11.5

60

Positive

20

38A

ATM-38A115NPSPZ

National Straight Pipe (NPS)

11.5

60

Positive

20

38A

ATM-38A115NPSV

National Straight Pipe (NPS)

11.5

60

Neutral

20

38A

ATM-38A115NPSZ

National Straight Pipe (NPS)

11.5

60

Neutral

20

38A

ATM-38A14NPS

National Straight Pipe (NPS)

14

60

Neutral

20

38A

ATM-38A14NPSC

National Straight Pipe (NPS)

14

60

Neutral

20

38A

ATM-38A14NPSP

National Straight Pipe (NPS)

14

60

Positive

20

38A

ATM-38A14NPSPC

National Straight Pipe (NPS)

14

60

Positive

20

38A

ATM-38A14NPSPV

National Straight Pipe (NPS)

14

60

Positive

20

38A

ATM-38A14NPSPZ

National Straight Pipe (NPS)

14

60

Positive

20

38A

ATM-38A14NPSV

National Straight Pipe (NPS)

14

60

Neutral

20

38A

ATM-38A14NPSZ

National Straight Pipe (NPS)

14

60

Neutral

20

38A

ATM-38A18NPS

National Straight Pipe (NPS)

18

60

Neutral

20

38A

ATM-38A18NPSC

National Straight Pipe (NPS)

18

60

Neutral

20

38A

ATM-38A18NPSP

National Straight Pipe (NPS)

18

60

Positive

20

38A

ATM-38A18NPSPC

National Straight Pipe (NPS)

18

60

Positive

20

38A

ATM-38A18NPSPV

National Straight Pipe (NPS)

18

60

Positive

20

38A

ATM-38A18NPSPZ

National Straight Pipe (NPS)

18

60

Positive

20

38A

ATM-38A18NPSV

National Straight Pipe (NPS)

18

60

Neutral

20

38A

ATM-38A18NPSZ

National Straight Pipe (NPS)

18

60

Neutral

20

38A

ATM-38A27NPS

National Straight Pipe (NPS)

27

60

Neutral

10

38A