The Self Drilling Hollow Anchor is a unique anchoring system and is today’s answer to the increasing demands of the tunneling industry and ground engineering for safer and faster production.

Features and advantages

Particularly suitable for difficult ground conditions

A high rate of installation since drilling, placing and grouting can be performed in a single operation

Self drilling system eliminates the requirement for a cased borehole



Radical bolting


Face stabilization

Portal preparation

Ground engineering:

Slope stabilization

Micro injection pile

Temporary support anchor

Soil nailing