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DESCRIPTION

Self-drilling anchors are a bolting solution used for unstable soil conditions like sand, clays, silt, and gravel or in soft –medium fractured rock formations.

  • The mostly used method of installation is a rotary percussion.
  • The self-drilling anchor is used as a drilling rod during installation by use of sacrificial drill bit
  • After using standard flushing methods(air of water), grouting is done with controlled pressure injections

The grouting quality is improved; no casing, tubes etc. needed.

TECHNICAL DATA

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