Size

Tube OD
(+1/16,-1/32)

Tube OD 1

Tool Joint OD
(+1/16,-1/32)2

Tool Joint OD
(+1/8,-0)

Connection

Max Elevator Upset Dia

Center Upset Dia
(+1/16,-1/32)

Min Drift Dia3

Deu

Dcu

3 1/2

3 1/2

2 1/4

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

2 1/4

NC 38

3 7/8

4

2

2 1/16

2 1/16

1 13/16

4

4

2 1/2

5 1/4

2 1/2

NC 40

4 3/16

4 1/2

2 1/4

2 9/16

2 9/16

2 5/16

4 1/2

4 1/2

2 11/16

6 1/4

2 11/16

NC 46

4 11/16

5

2 7/16

2 3/4

2 3/4

2 1/2

2 13/16

2 13/16

2 9/16

5

5

3

6 5/8

3

NC 50

5 1/8

5 1/2

2 3/4

5 1/2

5 1/2

3 1/4

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

3 1/4

5 1/2 FH

5 11/16

6

3

3 3/8

3 3/8

3 1/8

3 7/8

3 7/8

3 5/83/4

4

4

3 3/4

6 5/8

6 5/8

4

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

4

6 5/8 FH

6 15/16

7 1/8

3 3/4

4 1/2

4 1/2

4 1/4

5

5

4 3/4

1.Maximum tube ID is 1/8 larger than nominal.Minimum tube ID is controlled by the drift requirement.
2.Optional Tool Joint ODs shown in parenthesis,to be agreed between purchaser and manufacturer.
3.Drift Diameter is based on ID tolerances of heavy wall pierced tube used for the center section.