Brass expansion anchor
Metric female thread.<br/>Grip thanks to surface texture.
For lower-level fixtures in interior and exterior areas in concrete, solid brick, sand-lime bricks, natural stone, solid stone and clinker.
Create the drill hole
Expand the anchor slightly with the threaded screw and insert it through the component into the hole (anchor must be flush with the substrate, i.e. underneath the plaster or insulation layer)
Screw in the screw fully
Screw length = anchor length + component thickness
Installation with metric screws and threaded rods/bolts.