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1.Our thread drill rods are made of high-intensity alloy steel
imported from Sweden and shanghai baogang.Good raw materials have
high wear resistance and long service life.
2.All the trails and threads are formed by high precision CNC
machines.High machining precision and stable machining quality.
3.For MF rod,we use mature friction welding technology to increase
the using life of thread and wear resistance.
4.Holistic carburization increases the carbon content in the outer
layer of drill rod, and hardened outer steel body.
5.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 .
Coal Mining,rock drilling,Quarry.
Thread Sizes: R22, R25, R28, R32, R35, R38, T38, T45, T51
Rod Diameters: Round 32mm, Round 39mm, Round 46mm, Round 52mm, Hex
22mm, Hex 25mm, Hex 28mm, Hex 32mm, Hex 35mm
Effective Lengths: 600mm to 6,400mm
Product Name: | Extension rod / Drift rod |
Description: | Extension rod Thread drill rod Made with best quality carbon steel bar, through heat treatment like famous brands |
Material: | carbon steel bar |
MOQ: | 5pcs |
Body Type | Round shape and hexagonal type |
Thread type | T38 |
Diameter | Hex25,Hex28,Rd32,Rd38,Rd45,Rd51 |
Type | Thread Extension Rod and MF rod |
Length | 600mm-6400mm |
FAQ:
Q1: What’s your delivery time?
A: Commonly product need 20 days to produce, within 3 days if in
stock.
Q2: What’s methods of payments are accepted?
A: We agree T/T ,L/C ,West Union ,One touch ,Money Gram ,Paypal.
Q3: What about the Shipments?
A: Bases on other quantity .We can send it to you by Express ,by
Air ,by Sea ,and by Train.Or send the goods to your Chinese agent.
Q4: How to control the quality?
A: We should be checking & testing everyone button bit before
shipment.
Q5: Do you agree sample order ?
A: Yes ,we are welcome your sample order to testing our quality.
Q6: Can we select the button bit color?
A: Yes ,we have golden ,silvery ,black and blue for your choice.
Q7: 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)
Q8: 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.
Q9: Can I trust your company ?
A: Our company has been certificated by Chinese government ,and verified by Ali baba Trade Assurance. 100% refund of the Trade Assurance Amount .Ali baba can guarantee all of you payment .Just order from US !