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PRODUCT >>Drill Collar (Spiral) |
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| Thread of Drill Collar |
External Diameter D |
Internal
Diameterd |
Length L
mm
|
Diameter of Bevel Angle
Df
mm |
Referenced Bending Intensity Rate |
mm |
in |
mm |
in |
| NC31-417/8IF |
104.8 |
4 1/8 |
50.8 |
2 |
9150 |
100.4 |
2.43 |
| NC35-47 |
120.7 |
4 3/4 |
50.8 |
2 |
9150 |
114.7 |
2.58 |
| NC38-501/2IF |
127.0 |
5 |
57.2 |
2 1/4 |
9150 |
121.0 |
2.38 |
| NC44-60 |
152.4 |
6 |
57.2 |
2 1/4 |
9150or9450 |
144.5 |
2.49 |
| NC44-60 |
152.4 |
6 |
71.4 |
2 13/16 |
9150or9450 |
144.5 |
2.84 |
| NC44-62 |
158.8 |
61/4 |
57.2 |
2 1/4 |
9150or9450 |
149.2 |
2.91 |
| NC46-62IF |
158.8 |
61/4 |
71.4 |
2 13/16 |
9150or9450 |
150.0 |
2.63 |
| NC46-65IF |
165.1 |
61/2 |
57.2 |
2 1/4 |
9150or9450 |
154.8 |
2.76 |
| NC46-65IF |
165.1 |
61/2 |
71.4 |
2 13/16 |
9150or9450 |
154.8 |
3.05 |
| NC46-67IF |
171.4 |
63/4 |
57.2 |
2 1/4 |
9150or9450 |
159.5 |
3.18 |
| NC50-671/2IF |
171.4 |
63/4 |
71.4 |
2 13/16 |
9150or9450 |
159.5 |
2.37 |
| NC50-701/2IF |
177.8 |
7 |
57.2 |
2 1/4 |
9150or9450 |
164.7 |
2.54 |
| NC50-701/2IF |
177.8 |
7 |
71.4 |
2 13/16 |
9150or9450 |
164.7 |
2.73 |
| NC50-721/2IF |
184.2 |
71/4 |
71.4 |
2 13/16 |
9150or9450 |
169.5 |
3.12 |
| NC56-77 |
196.8 |
73/4 |
71.4 |
2 13/16 |
9150or9450 |
185.3 |
2.70 |
| NC56-80 |
203.2 |
8 |
71.4 |
2 13/16 |
9150or9450 |
190.1 |
3.02 |
| 65/xREG/td>
| 209.6 |
81/4 |
71.4 |
2 13/16 |
9150or9450 |
195.7 |
2.93 |
| NC61-90 |
228.6 |
9 |
71.4 |
2 13/16 |
9150or9450 |
212.7 |
3.17 |
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