API SPEC 5B LINE PIPE WORKING/MASTER/TAPER GAGES

SIZE

Outer Dia.

T.P.I

T.P.F

TAPER

ANGLE

1/8 LP

3.18

27

3/4

1:16

60°

1/4 LP

6.35

18

3/4

3/8 LP

9.53

18

3/4

1/2 LP

12.70

14

3/4

3/4 LP

19.05

14

3/4

1   LP

25.40

11 1/2

3/4

1 1/4 LP

31.75

11 1/2

3/4

1 1/2 LP

38.10

11 1/2

3/4

2   LP

50.80

11 1/2

3/4

2 1/2 LP

63.50

8

3/4

3 LP

76.20

8

3/4

3 1/2 LP

88.90

8

3/4

4 LP

101.60

8

3/4

5 LP

127.00

8

3/4

6 LP

152.40

8

3/4

8 LP

203.20

8

3/4

10 LP

254.00

8

3/4

12 LP

304.80

8

3/4

14 LP

355.60

8

3/4

16 LP

406.40

8

3/4

18 LP

457.20

8

3/4

20 LP

508.00

8

3/4