Email: info@bitschina.et
Tel: +86 15076382950
Details
| BIT SUB Specifications | |
1.Tread Type: |
| Box-box |
2.Size: |
| 2-3/8” API IF box to 2-3/8” API REG box |
3.Material: |
| 42 CrMo/35CrMo |
4.Length: |
| 50-70mm |
5.Application |
| Connection drill rod Well Drilling,Geological drilling |
6.Tool Connection: |
| NC26, NC31, NC38, NC40, NC46, NC50 |
Drill rod adaptors quality control
1.Before order to be confirmed, the raw material of drill pipe and tool joint body should bebooked from famous big steel enterprises in China.
2.Tool joint of checked by our QC staff and factory own laboratory.
3.Every tool joint has nondestructive inspection , cleaned and breach oil before packing
4.Tool joint before deliver clients could send one QC or point the third party to check the quality such API ,SGS,or others.
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