Roller bit
Roller bit is used for drilling solid rock from 5 to 12 category. Drilling is carried out under the water layer. During the pumping out sludge with the water is removed through the central trunk of drill string. Water consumption is compensated by its clean and return to the boring well.
By agreement with the customer the delivery of rolling pins can be supplied with a diameter up to 2500 mm with weightings or without them.
To apply the order you can call by phone
or use the application form.