Size　

in

Pipe Body

Tool Joint

OD

in

ID

in

API

HLDS

Connection

OD(in)

ID(in)

Connection

OD(in)

ID(in)

3 1/2

3 1/2

2-1/4

NC38

4-3/4(4-7/8,5)

2-1/4

HLDS38

4-3/4(4-7/8,5)

2-1/4

2-1/16

2-1/16

2-1/16

4

4

2-1/2

NC40

5-1/4

2-1/2

HLDS40

5-1/4

2-1/2

2-9/16

2-9/16

2-9/16

4 1/2

4 1/2

2-11/16

NC46

6-1/4

2-11/16

HLDS46

6-1/4

2-11/16

2-3/4

2-3/4

2-3/4

2-13/16

2-13/16

2-13/16

5

5

3

NC50

6-5/8

3

HLDS50

6-5/8

3

5 1/2

5 1/2

3-1/4

5 1/2FH

7(7-1/4,7-1/2)

3-1/4

HLDS512

7(7-1/4,7-1/2)

3-1/4

3-3/8

3-3/8

3-3/8

3-7/8

3-7/8

3-7/8

4

4

4

6 5/8

6 5/8

4

6-5/8FH

8(8-1/4,8-1/2)

4

HLDS658

8(8-1/4,8-1/2)

4

4-1/2

4-1/2

4-1/2

5

5

5