4" T45 Thread Retrac Rock drilling button bits (drill bits)
We produce R32 drill bits,SR32 Button bits,T38 rock drill bits, t45 button bits,t51 button bits and gt60 button bits.
For more information, please feel free to contact us.
Advantages:
1. The drill bit body is made of 50R61 steel
2.The head carbide is YK05 or T6
3.Diameter:70mm-127mm
4.Package:in wooden case or in carton.
5.Productivity:50000pcs/ month
Higher penetration rate;
Improved reliability;
Longer service life.