Friction welded standard API DTH drill pipes for rock drilling and
Our DTH drill pipes are widely used in mining,water well
drilling,geothermal,oil and all kinds of DTH rock drilling,with
high quality low carbon steel to ensure good resistance to
strengthen and tensile,friction welded to ensure the adapter and
pipe connect tightly as a whole set the cyclic
extrusion-compression ensure reliable pipe.
|Wall thickness(mm)||Thread Pin/Box||Length(m)|
|76||6-8.5||API 2 3/8" reg||1-9|
|89||6.5-8.5||API 2 3/8" reg||1-9|
|102||6.5-8.5||API 3 1/2" reg||1-11|
|114||8.5-10||API 3 1/2" reg||1-11|
|127||8.5-10||API 3 1/2" reg||1-11|
|152||8.5-10||API 4 1/2" reg||1-6|
|178||10-12.7||API 4 1/2" reg||1-6|
|------The other specification drill pipes are available upon
|------Kind of thread,API Reg,API IF or BECO or produce as customer
------All of the drill pipes are friction welded
|API Casing pipe||ID|
Packaging & Delivery
|Packaging Details:||Generally packing, the insid is packed by plastic membrane, the
outside is packed by nonwoven fabrics, thenwe bundled them by steel
strip also we can pack them according to customer' demands|
|Delivery Detail:||5 days or according to the order|
Qualification & Certification
Packing & delivery
Q: What's your delivery time?
A: Commonly produce need 20 days to produce. Within 3 days if in
Q: What methods of payment are accepted?
A: We agree T/T, L/C, West Union, One touch, Money Gram
Q: What about the shipment?
A: Based on order quantity and the length of drill rods. We can
send it to you by Express, by Air, by Sea, and by Train. Or send
the goods to your chinese agent.
Q: How to control the quality?
A: We should be checking & testing everyone drill rod before
Q: Do you agree sample order?
A: Yes, we are welcome your sample order to testing our quality.
Q: Does your drill rod have heat treatment?
A: Yes, the heat treatment for our drill rods and casing pipes.
Q: Does your drill rod have rust prevention?
A: Yes, every one drill rod and casing pipe will be with the rust
prevention by paint or anticorrosive oil before shipping. If you
need galvanized pipes pls contact us the price.
Q: Do you have after-sale service and warranty service?
A: Any quality or quantity problem once confirmed, we will be
compensate you the same. Any question or problem we will be reply
you within 24 hours.
- Quality control system.
- After-sale service.
- Brand new & not used.
- Product drawing and design.
- 24 hours service.