We have a new customer who tested our newest generation of GSE DHD350 hammer, and customer is satisfactory with our DTH tools performance very much. Till now, the GSE DHD350 hammer has drilled more than 4900 meters in granite without replacing Outer tube. The below is the specifications of testing report:

Drill machine: KS-668 Hydraulic DTH drill machine, it is made by Kongshan China. The maximum rotation speed is 70 Rpm, and the maximum torque is 3680Nm.

Working pressure: The working pressure is 18Bar.

Rock condition: Granite

DTH hammer: GSE DHD350, Outer diameter is 126mm, the recommended wear sleeve discard diameter 114mm. The current diameter is 113mm

DTH bit: DHD350Ø140mm DTH bits, Flat front, Spherical buttons, 8x17mm gauge buttons, 7x14mm front buttons, 2 flushing hole, 35°gauge button angle.

As a kind of hard rock, granite wears the rock drilling tools very seriously. Therefore, the quality requirements of the drilling tools are also higher. Recently, our new generation of GSE DHD350 hammer has been well received by customers during its use. Our hammer completed 4900 meters of granite drilling without replacing the outer tube, and the working pressure was 18 bar. It proves the excellent performance of our products once again.