Thread button bits

 

Thread:R25,R28,R32,R38,

       T38,T45,T51,ST58,GT60

Diameter:38--127                                                    

Head style:H(For extremely hard rock),A(For hardrock)

S(For soft rock),M(For abrasive rock)

Skirt: Normal, Lengthen, Retrac

Features:

  • Made from top quality steel and tungsten carbide as same as internationally well-known brand

  • Apply “hot-insertion” processing procedure to insert the buttons as same as internationally well-known brand

  • Optimized designs improve the drilling speed

  • Automatic production line ensure the quality stability

  • Military grade requirements of heat-treatment guarantee durability of the bits.  

 

Common Sizes:

B45

B64

B76

B89



B102



B115