Brand:hengyi
Model:Saveral type
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Oil Drilling Subs
Subs are made of high quality alloy steel through special heat treatment means, and processed by means of numerically controlled machine tools,having good multiple mechanical properties, conforming to API Spec7.
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Mode Item | Nc50(4 1/2 IF) | Nc50(4 1/2 IF) | Nc50(4 1/2 IF) | Nc50(4 1/2 IF) |
| φ161.90 | φ161.90 | φ165.10 | φ165.10 |
| v-0.065 | v-0.065 | v-0.065 | v-0.065 |
| 6.350(4) | 6.350(4) | 6.350(4) | 6.350(4) |
| 1:6 | 1:6 | 1:6 | 1:6 |
| 8.56 | 10.92 | 9.19 | 12.7 |
| X.E.G.S | X.E.G.S | X.E.G.S | X.E.G.S |



