Steel Threaded Rock Drill Rods High Strength For Top Hammer Rock Drilling Rigs
Advanced product system
DTH drill pipes play a significant role in all DTH drilling, regardless type of rock, hole depth or drill rig.DTH drill pipe is
mainly used in the drilling blasting hole, guardrail hole, mountain reinfrcement, anchoring and other engineering holes in
mines,quarris, high ways, railways and so on.
NO. | Drill Rod Diameter | Length | Thickness | Thread | Trigger Slot |
| inch | mm | mm | mm | | mm |
| 1 | 3 | 76 | 1000-9000 | 5.00- 8.00 | API 2 3/8" Reg | 57/64.5 |
| 2 | 3 1/2 | 89 | 1000-12000 | 6.00- 8.00 | API 2 3/8" Reg | 70/64 |
| 3 | 4 | 102 | 1000-12000 | 8.00- 10.00 | API 2 7/8" Reg | 76/89 |
| 4 | 4 1/2 | 114 | 1500-12000 | 6.00-20.00 | API 3 1/2" Reg | 89/95 |
| 5 | 5 | 127 | 1500-12000 | 10.00-20.00 | API 3 1/2" Reg | 89 |
| 6 | 5 1/2 | 140 | 1500-12000 | 10.00-25.4 | API 2 3/8" Reg
or 4"FH | 114 |
| 7 | 6 | 152 | 3000-12000 | 12.00-25.4 | API 2 3/8" Reg
or 4"IF | 127 |
Feature:
1.Pipe body : cold draw seamless pipe . so the pipe have the accurate size , good centralizer.
2.Thread connector :Heat and Nitrogen treatment , so the pipe is more durable and easier to load and unload .
3.Friction welding .
1: OD: 89mm ( 3.5'' inch) thread drill pipe
2: Connection: 121mm
3: Material:R780/E75/N80
4: Thread: NC38
5: Wall thickness:9.5mm/10mm
6: Yield/Tensile strength: Min 517Mpa/Min 689Mpa
7: Suitable for water well, geothermal well, gas well
8: Safe drilling depth: Within 1,500 meters
9: Tool joint:35CrMo/40Cr
10: Length: 4.5meters or as your requirement
FAQ
Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.
Q2: What the exactly address of your factory?
A2: Our company is located in Jinzhou Hebei China.
Q3: Warranty terms of your machine?
A3: One year warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.
Q5: What about the voltage of products??Can they be customized?
A5: Yes, of course. The voltage can be customized according to your equirement.
Q6: Which payment term can you accept?
A6: 30% T/T in advanced, 70% T/T against the B/L copy.
Q7: How long will you take to arrange production?
A7: 380V 50HZ we can delivery the goods within 7-15 days. Other electricity or other color we will delivery within 25-30 days.
Q8: Can you accept OEM orders?
A8: Yes, with professional design team, OEM orders are highly welcome.
Q9: Which trade term can you accept?
A9: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.
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