The selection of button bit is quite concerning with the rock condtion. If you don't know how to choose an applicable button bit, we strongely suggest you study the rock conditon first.
Below is the rock hardness grade list for your reference.
Below is the typical rock photos from the hardest to normal hard for your reference. Just tell us your quarry/rock condition, we will recommend suitable button bit for you, it's easy.



We can  design various Carbide Alloy Drill Bit according to your requirements. Below is three differen quality button bit.




Tapered Button bit connection:  
Thread button bit connection:  we can guarantee all our product:
(1) Direct factory wholesale price, price is cheaper than trading companies.
(2) Strict Quality Control Department, each piece bit need to be checked.
(3) Accept custom order. can special make for you.
(4)  Focus on the quality.We seek long-term interest.
(5)Welcome small orders, our Min Quantity Order is 1 piece.
(6) All bit are made by skilled workers and advanced technology, we have more than 20 years' experiences, so you must be satisfied with our super quality.

Our superior products (taper button bit, taper drill rod, thread button bit and thread drill rod)

FAQ Collection:

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 factory is located in No.9 Kaixuan Ave West,Economic Zone Quzhou, Zhejiang, 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: Our standard voltage is 380V, 50HZ, 3phase. 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: we can delivery the normal goods within 7-15 days. Other nonstandard electrical items 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.