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-38B115NPS

National Straight Pipe (NPS)

11.5

60

Neutral

20

38B

ATM-38B115NPSC

National Straight Pipe (NPS)

11.5

60

Neutral

20

38B

ATM-38B115NPSP

National Straight Pipe (NPS)

11.5

60

Positive

20

38B

ATM-38B115NPSPC

National Straight Pipe (NPS)

11.5

60

Positive

20

38B

ATM-38B115NPSPV

National Straight Pipe (NPS)

11.5

60

Positive

20

38B

ATM-38B115NPSPZ

National Straight Pipe (NPS)

11.5

60

Positive

20

38B

ATM-38B115NPSV

National Straight Pipe (NPS)

11.5

60

Neutral

20

38B

ATM-38B115NPSZ

National Straight Pipe (NPS)

11.5

60

Neutral

20

38B

ATM-38B14NPS

National Straight Pipe (NPS)

14

60

Neutral

20

38B

ATM-38B14NPSC

National Straight Pipe (NPS)

14

60

Neutral

20

38B

ATM-38B14NPSP

National Straight Pipe (NPS)

14

60

Positive

20

38B

ATM-38B14NPSPC

National Straight Pipe (NPS)

14

60

Positive

20

38B

ATM-38B14NPSPV

National Straight Pipe (NPS)

14

60

Positive

20

38B

ATM-38B14NPSPZ

National Straight Pipe (NPS)

14

60

Positive

20

38B

ATM-38B14NPSV

National Straight Pipe (NPS)

14

60

Neutral

20

38B

ATM-38B14NPSZ

National Straight Pipe (NPS)

14

60

Neutral

20

38B

ATM-38B18NPS

National Straight Pipe (NPS)

18

60

Neutral

20

38B

ATM-38B18NPSC

National Straight Pipe (NPS)

18

60

Neutral

20

38B

ATM-38B18NPSP

National Straight Pipe (NPS)

18

60

Positive

20

38B

ATM-38B18NPSPC

National Straight Pipe (NPS)

18

60

Positive

20

38B

ATM-38B18NPSPV

National Straight Pipe (NPS)

18

60

Positive

20

38B

ATM-38B18NPSPZ

National Straight Pipe (NPS)

18

60

Positive

20

38B

ATM-38B18NPSV

National Straight Pipe (NPS)

18

60

Neutral

20

38B

ATM-38B18NPSZ

National Straight Pipe (NPS)

18

60

Neutral

20

38B

ATM-38B8NPS

National Straight Pipe (NPS)

8

60

Neutral

20

38B