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Drill Collar Thread

OD

ID

Length

mm

in

mm

in

mm

NC31-41(27/8IF)

104.8

4 1/8

50.8

2

9150

NC35-47

120.7

4 3/4

50.8

2

9150

NC38-50(31/2IF)

127

5

57.2

2 1/4

9150

NC44-60

152.4

6

57.2

2 1/4

9150or9450

NC44-60

152.4

6

71.4

2 13/16

9150or9450

NC44-62

158.8

6 1/4

57.2

2 1/4

9150or9450

NC46-62(4IF)

158.8

6 1/4

71.4

2 13/16

9150or9450

NC46-65(4IF)

165.1

6 1/2

57.2

2 1/4

9150or9450

NC46-65(4IF)

165.1

6 1/2

71.4

2 13/16

9150or9450

NC46-67(4IF)

171.4

6 3/4

57.2

2 1/4

9150or9450

NC50-67(41/2IF)

171.4

6 3/4

71.4

2 13/16

9150or9450

NC50-70(41/2IF)

177.8

7

57.2

2 1/4

9150or9450

NC50-70(41/2IF)

177.8

7

71.4

2 13/16

9150or9450

NC50-72(41/2IF)

184.2

7 1/4

71.4

2 13/16

9150or9450

NC56-77

196.8

7 1/4

71.4

2 13/16

9150or9450

NC56-80

203.2

8

71.4

2 13/16

9150or9450

65/xREG

209.6

8 1/4

71.4

2 13/16

9150or9450

NC61-90

228.6

9

71.4

2 13/16

9150or9450