Since the hollow bolt

RFQ Details

Hollow bolt into the main fracture zones for excavation support construction in complex geological conditions, replacing normal mortar anchor bolt, overcome the ordinary cement mortar can plug hole collapse, such as not full, grouting, play a role of the bolt supporting, improve the bearing capacity of the surrounding rock, guarantee the stability of the whole, and has a good application value. Hollow bolt, etc. For slope protection products, enjoy the escort road safety feeling safe and smooth road trip.