Feature
1. High-quality and high-strength alloy structure steel is selected to produce all sorts of shank rod.
2. Adoption of surface hardening heat treatment technique can....

The outer diameter varies from 79~ 275mm( 3" ~ 12" ) .They are divided into valved and valveless hammers driven by compressed air. They are ideal rock drilling tools with advantages of....

Diameters varies from 90~ 500mm( 3.5" ~ 20" ) . Buttons are made of cemented carbide to prevent from dropping or breaking. Drilling performanceof bits is appreciated by the clients who....