- When choosing DTH Hammer, please be familiar with the technical performance of the rock drilling equipment you have or will have. 2. According to the rock conditions and construction conditions, the rock drilling and blasting method should be correctly selected to determine the specification and model of the drill rod, the length of the drill rod, the connection method, the form and diameter of the drill bit.
3. When there are many abnormal fractures in the selected drill rod, the blasting method should be adjusted in time and the appropriate drill rod should be selected. Such as: changing the length of the drill rod, the size of the drill rod section, the diameter of the drill bit, etc.
4. Choose the DTH Bit manufacturer according to the rock drilling equipment and rock drilling conditions. It is recommended that the rock drill and supporting drill rods and drill bits can be selected from the same manufacturer, in order to obtain better matching and cost-effectiveness, and obtain the greatest use benefit with the minimum investment .