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Mechanical Anchor Bolt


The unique 3-leaf expansion unit has exclusive features that ensure positive anchorage under the most arduous conditions.

The expansion unit, which is available as a ‘bail type’ unit or a ‘regular type’ (loose leaf) unit, is a 3-leafed mechanical anchor which conforms to the hole diameter. This feature ensures a more even load distribution between the anchor and the rock at the anchor point.


  1. Leaves to SAE 1008 cold forger
  2. Expander plugs: SABS 936/937 – 1969 SG iron castings grade 42
  3. Bail: commerical – quality mild steel.
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Mechanical Anchor Bolt.pdf 3.12 MB