PARALEL THREAD
Metric ISO Thread to EN 60423 Code (M)

SIZE

Pitch (mm)

Major Diameter(mm)

Minor Diameter (mm)

Thread Angle

Cllerance Diameter*

Max Ɵ Cllerance

M12xl.5

1,5

12,0

10,5

60°

12,2

M16xl.5

1,5

16,0

14,5

60°

16,2

M20xl.5

1,5

20,0

18,5

60°

20,2

M25xl.5

1,5

25,0

23,5

60°

25,2

M32xl.5

1,5

32,0

30,5

60°

32,2

M40xl.5

1,5

40,0

38,5

60°

40,2

M50xl.5

1,5

50,0

48,5

60°

50,2

M63xl.5

1,5

63,0

61,5

60°

63,2

M75xl.5

1,5

75,0

73,5

60°

75,5

M90xl.5

1,5

90,0

88,5

60°

90,2

M100xl.5

1,5

100,0

98,5

60°

100,2

Ml 10×1.5

1,5

110,0

108,5

60°

110,2

Pg Thread to DIN 40430 Code (P)

SIZE

Pitch (mm)

Major Diameter(mm)

Minor Diameter (mm)

Thread Angle

* Max Ɵ Cllerance Diameter* Max Ɵ Cllerance Diameter* Max Ɵ Cllerance Diameter

PG 7

1,27

12,5

11,28

80°

12,7

PG9

1,410

15,2

13,86

80°

15,4

PG 11

1,410

18,6

17,26

80°

18,8

PG 13.5

1,410

20,4

19,06

80°

20,7

PG 16

1,410

22,5

21,16

80°

22,8

PG21

1.588

28,3

26,78

80°

28,6

PG29

1.588

37,0

35,48

80°

37,4

PG36

1.588

47,0

45,48

80°

47,5

PG42

1.588

54,0

52,48

80°

54,5

PG4S

1.588

59,3

57,78

80°

59,8

Pipe Thread to ISO 228/1 Code (G)

SIZE

Pitch (mm)

Major Diameter (mm)

Minor Diameter (mm)

Number of Threads (per inch.) Z

Thread Angle

* Max Ɵ Cllerance Diameter*

3/8″

1,337

16,662

14,950

19

55°

17,0

1/2″

1,814

20,955

18,631

14

55°

21,3

3/4″

1,814

26,441

24,117

14

55°

26,8

1″

2,309

33,249

30,291

11

55°

33,7

11/4″

2,309

41,910

38,952

11

55°

42,4

11/2″

2,309

47,803

44,845

11

55°

48,3

2″

2,309

59,614

56,656

11

55°

60,2

21/2

2,309

75,184

72,226

11

55°

75,7

3”

2,309

87,884

84,926

11

55°

88,5

4″

2,309

113,030

110,072

11

55°

114,0

NPSM Thread to ANSI ASME B1. 20.1 Code (N)

SIZE

Pitch (mm)

Major Diameter(mm)

Number of Threads

(per inch.) ZNumber of Threads

(per inch.) Z

Thread Angle

* Max Ɵ Cllerance Diameter* Max Ɵ Cllerance Diameter

3/8″

1,411

17,140

18

60°

17,7

1/2″

1,814

21,340

14

60°

21,8

3/4″

1,814

26,670

14

60°

27,2

1″

2,209

33,400

11,5

60°

33,9

11/4″

2,209

42,160

11,5

60°

42,7

11/2″

2,209

48,260

11,5

60°

48,8

2″

2,209

60,325

11,5

60°

60,8

21/2″

3,175

73,020

8

60°

73,5

3″

3,175

88,900

8

60°

89,4

4″

3,175

114,30

8

60°

114,8

TAPERED THREAD 1.47202
NPT Thread to ANSI ASME B1.20.1 Code (N)

SIZE

Pitch (mm)

Major Diameter(mm)

(per inch.) ZNumber of Threads *

Thread Angle

Diameter* Max Ɵ *

3/8″

1,411

17,140

18

60°

17,7

1/2″

1,814

21,340

14

60°

21,8

3/4″

1,814

26,670

14

60°

27,2

1″

2,209

33,400

11,5

60°

33,9

11/4″

2,209

42,160

11,5

60

s

42,7

11/2″

2,209

48,260

11,5

60°

48,8

2″

2,209

60,325

11,5

60°

60,8

21/2″

3,175

73,020

8

60°

73,5

3″

3,175

88,900

8

60°

89,4

4″

3,175

114,30

8

60°

114,8

GAS Thread to UNI ISO 7/1 Code (G)

SIZE

Pitch (mm)

Major Diameter (mm)

Minor Diameter (mm)

Number of Threads (per inch.) ZXumber of Threads (per inch.) Z

Thread Angle

* Max Ɵ Cllerance Diameter* Max Ɵ Cllerance Diameter

3/8″

1,337

16,662

14,950

19

55°

17,2

1/2″

1,814

20,955

18,631

14

55°

21,5

3/4″

1,814

26,441

24,117

14

55°

26,9

1″

2,309

33,249

30,291

11

55°

33,8

11/4″

2,309

41,910

38,952

11

55°

42,4

11/2″

2,309

47,803

44,845

11

55°

48,3

2″

2,309

59,614

56,656

11

55°

60,1

21/2

2,309

75,184

72,226

11

55°

75,7

3″

2,309

87,884

84,926

11

55°

88,4

4″

2,309

113,030

110,072

11

55°

114,0

GAS GK Thread to UNI 6125 Code (K)

SIZE

Pitch (mm)

Major Diameter (mm)

Minor Diameter (mm)

Number of Threads (per inch.) Z

Thread Angle

* Max Ɵ Cllerance Diameter

3/8″

1,337

16,662

14,95

19

55°

17,2

1/2″

1,814

20,955

18,631

14

55°

21,5

3/4″

1,814

26,441

24,117

14

55°

26,9

1″

2,309

33,249

30,291

11

55°

33,8