Friction stabilisers are made from high tensile steel that is roll-formed into a tubular section containing a continuous longitudinal opening along the length of the tube.
A steel ring is fixed to the collar end of the tube and when the stabiliser is installed onto the stabiliser plate it establishes a compressive force against the rock.
The ring-in combination with a pull collar also enables load testing once the bolt has been installed. The tapered end of the friction stabiliser enables easy insertion into the drilled hole.
Friction stabilisers can also be manufactured with no taper for installation direct into paste.
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