1. The threaded drill bit are equipped with the hydraulic drilling jumbo and used for crush rock ,and it is widely used in tunnel construction, large scale mine(open and underground )and large section tunnel advance in metal mine.

2. Our threaded button bit is made by best quality alloy steel bar and tungsten carbide ,through heat treatment like Atlas, it includes R25,R28,R32,R35,R38,T45,T51,ST58,HT60,ST68 and so on. And the head diameter range from 35mm to 127mm.

3. Our special technology develops the sharpest ball tooth, and the bits with sharp buttons are suitable for hard and mid -hard rock, and it also have excellent wear resistance and driving speed.The bits with round buttons are widely used in hard rock ,with the advantage of high abrasion and impact resistance.

Note: We can design and manufacture according to customer's requirement of the Bit Diameter and others.

Our thread bit advantages:

1.High quality:We are known as Chinese top 3 drill bits factory.
2.Competitive price:Cheap price because of direct factory price.

3.Problems solve ability:This ability comes from rich experiences of drill bits 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.

T51 thread button bit

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.