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Our thread drill rods are made of high-intensity alloy steel imported from Sweden. All the trails and threads are formed by high precision CNC machines. The thread is induced by induction hardening, then fast heating and cooling. The precision temperature controlled heat treatment equipment ensures the service life of the drill rod, improves the mechanical properties of the drill rod, Holistic carburization increases the carbon content in the outer layer of drill rod, and hardened outer steel body. The solid thread can fit perfectly with the inner wall of the drill bits,and complete various roadway tunneling, underground mining and open pit drilling task in complex rock and terrain rough drilling with high precision and high efficiency .
Note: We can design and manufacture according to customer's requirement of the Drifter Rod, Extension Rod, Speed Rod, MF-Rod and others.

Thread Type | R22,R25,R28,R32,R38,T38,T45,T51 |
Diameter | Hex25, Hex28, Hex 32,Hex35,RD39, RD46, RD52 |
Rod Type | Round shape and hexagonal type |
Material | High strength alloy steel imported from top level steel manufacturer |
Processing | CNC milling and proprietary heat treatment process |
Certification | AISI, ISO9001 |
MOQ | No MOQ required for testing and trial order |
Our thread rod advantages:
1.High quality:We are known as Chinese TOP 3 drilling tools factory.
2.Competitive price:Cheap price because of direct factory price.
3.Problems solve ability:This ability comes from our rich experiences at the drilling tools industry.
4.Fast delivery time:usually it takes 25 days for production.Only 2 or 3 days if we have stock of your request size.
5.Best quality control:We have our own experienced QC team,there will be strict inspection and testing for every order before shipping out.
6.OEM,ODM service:your own request about product will be served well.
7.Best after service:We will go to your place to check and solve the problems if there.
| Thread/Diameter | Length | Weight | |
MM |
| m | ft |
|
R25-Hex.25-R25 | 1.00—2.20 | 3.00-7.00 | 3.90-8.70 | |
R25-Hex.25-R32 | 1.83-3.09 | 6.00-10.00 | 7.70-12.50 | |
R28-Hex.28-R32 | 1.83-3.09 | 6.00-10.00 | 9.70-16.10 | |
R32-Hex.32-R32 | 1.22-4.305 | 4.00-14.00 | 7.90-27.50 | |
R32-R D.32-R32 | 1.22-4.305 | 4.00-14.00 | 7.10-26.00 | |
R38-Hex.35-R32 | 1.83-6.40 | 6.00-21.00 | 14.30-50.60 | |
T38-Hex.35-R32 | 1.83-6.40 | 6.00-21.00 | 14.30-50.60 | |
R38-R D.39-R38 | 1.22-4.265 | 4.00-14.00 | 10.00-35.80 | |
T38-R D.39-T38 | 1.22-5.525 | 4.00-18.00 | 10.40-44.90 | |
T45-R D.46-T45 | 1.525-3.66 | 5.00-12.00 | 17.90-43.10 | |
T51-R D.52-T51 | 1.22-6.095 | 4.00-20.00 | 18.40-92.50 | |
MF | R38-Hex.35-R32 | 3.09-6.135 | 10.00-20.00 | 24.40-48.20 |
T38-Hex.35-R32 | 3.09-6.135 | 10.00-20.00 | 24.40-48.20 | |
T38-R D.39-T38 | 2.435-3.66 | 8.00-12.00 | 22.30-32.50 | |
T45-R D.46-T45 | 1.22-4.265 | 4.00-14.00 | 13.50-50.80 | |
T51-R D.52-T51 | 1.22-6.095 | 4.00-20.00 | 20.60-94.10 | |
Our thread drill pipe is made from advanced high precision, high performance and high efficiency forging equipment with the advanced manufacturing technology and first-class production line. The main processing equipment including the imported CNC lathe for thread machining and vertical CNC machining center. The raw material is supplied by national top level steel manufacturers. All R arcs are CNC machined. We pay high attention to all these easily ignored details, such as premium alloy steel made joints ,strictly controlled heat treatment process and standard API thread processing technology , to ensure pipe stability and thread durability. |



Q: What's your delivery time?
A: Commonly produce need 20 days to produce. Within 3 days if in stock.
Q: What methods of payment are accepted?
A: We agree T/T, L/C, West Union, Money Gram, Paypal.
Q: What about the shipment?
A: Based on order quantity.
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 button bit before shipment.
Q: Do you agree sample order?
A: Yes, we are welcome your sample order to testing our quality.
Q: Can we select the button bit color?
A: Yes, we have red,golden,,black and blue for your choose.
Q: Can we change to our mark on the button bit?
A: Yes, we can casting your company mark on the button bit. (Except sample order).
Q: Do you have after-sale service and warranty service?
A: Any quality or quantity problem once confirmed, we will reply you within 24 hours and give you a solution.
Q: Can i trust your company?
A: Our company has been certificated by Chinese government, and verified by Alibaba Trade Assurance,100% refund of the Trade Assurance Amount. Alibaba can guarantee all of your payment, Just order from us!!
Q: After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time.
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