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| Mining geological exploiting tools--->> Oil Drilling Tips
HCQ-2 |
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Unit：mm |
| Type |
Dimension |
| D |
H |
R |
h |
α |
e |
| HCQ0810-2 |
8.0 |
10.0 |
4.0 |
4.0 |
7°30' |
1.0 |
| HCQ1012-2 |
10.0 |
12.0 |
5.0 |
5.5 |
| HCQ1014-2 |
14.0 |
7.5 |
| HCQ1118-2 |
11.0 |
18.0 |
3.6 |
12.0 |
29° |
| HCQ1120-2 |
20.0 |
5.0 |
14.0 |
15°38' |
| HCQ1216-2 |
12.0 |
16.0 |
6.0 |
10.0 |
7°30' |
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