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tapered and thread Button Bit

China Ruilong Drill Co.,Ltd.



     Tapered Rock Drill Bits  : It's suitable for H22mm and H25mm taper rock drill rods use. It have three taper degree: 7°, 11°, 12°. It's widely used for hard rock(f=8~18) drilling use. Taper button bits is the best sales product.
    Thread Rock Drill Bits:There are R25,R32 ,T38,T51 thread 



Taper Button Bits: 


 1) Type: Taper button bits


2) Shank Hex.Size: 22mm,25mm


3) Diameter: 30-42mm.


4) Taper degree: 7°11°12°


5) Buttons quantity: 4, 5, 6, 7, 8,9,10,12


6) Package: Plastic case, wooden case.

Thread Button Bits: 



1.        Made from top quality steel and tungsten carbide;

2.        Apply hot-insertion processing procedure to insert the buttons

3.        Optimized designs improve the drilling speed.


Alloy steel and tungsten carbide bit

Body Type

Normal type and retract type

Thread type




Button bit shape

Ballistic and Spherical

Face shape

Drop-center shape and Flat shape













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Ruilong Enterprise Culture





   We adhere to the principle of"Win the market by quality.Creat value for the clinets".

   We will be high-quality products,excellent service,favorable price and sincerely hope to cooperate with customers from all over the world.

Contact Information 

Tel:86 0635 2365192
Fax:86 0635 2365191
Cell no.(whatsapp):+86 13969552318