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[China]
Trade Verify
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Contact name:Yingkai Zhang
KSQ Technologies (Beijing) Co. Ltd |
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Verified Suppliers
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N80 R780 S135 Steel Material DTH Drilling Tools Water Well Casing Pipe
1: OD: 89mm ( 3 1/2 inch) thread drill pipe
2: Connection:90mm/95mm/105mm
3: Grade: E75/R780/N80
4: Length: 9meters or as your requirement
5: Suitable for water well, geothermal well, gas well
6: Safe drilling depth: Within 800 meters
7: Tool joint:35GrMo/40Cr/4137H
Specification:
1.Drill Pipe Spec:
| Drill pipe diameter(inch) | Thickness type | steel grade | Pipe wall thickness | connection tool joint diameter(mm) | Thread | Weight(KG) |
| 1.6" | EU | D250 | 6.5 | ɸ57 | 1:16 | 5.7 |
| R780 | 6.5 | |||||
| 2" | EU,IU | D250 | 6.5 | ɸ65,ɸ68 | 1:16 | 7 |
| N80,R780 | 6.5 | |||||
| 2 3/8" | EU,IU | E75,R780 | 7 | ɸ75,ɸ78 | NC26 | 9.4 |
| N80,R780 | 7.11 | |||||
| 2 7/8" | EU,IU | N80,R780 | 9 | ɸ95,ɸ105 | NC31 | 14.2 |
| E75,G105 | 9.11 | |||||
| 3 1/2" | EU,IU | N80,R780 | 9.5/10 | ɸ121,ɸ127 | NC38 | 19 |
| E75,G105 | 9.3 |
2.Connection tool joint specification:
| Diameter(mm) | Thread Specification | Male Thread | Female Thread | ||||||
| OD | ID | Thread Type | Tooth/inch | conical degree | Y.S | DS | DF | QF | Length |
| 121 | 68 | NC38(3 1/2" IF) | 4 | 1:06 | 285 | 86.13 | 71.32 | 87.7 | 104.8 |
About us
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical
know-how in development, production, and application. The company
has adopted advanced manufacturing processes to ensure high quality
steels and tungsten carbide inserts for its rock drilling
accessories. Its personnel understand clients’ drilling needs, and
have the service skills to recommend the right drilling tools for
the job. Its experienced product developers can also create custom
tools. Furthermore, the company’s development team introduces
innovative products each year – tools that are rigorously tested in
the field and proven
to perform beyond industry expectations.
