Mechanical Anchors – FZA

Approved for:

  • Cracked and non-cracked concrete B25 to B55 resp. C20/25 to C50/60.

Suitable for:

  • Concrete B15 resp. C12/15.
  • Natural stone with dense structure.
  • Solid brick.
  • Solid sand-lime brick.

For fixing of:

  • Steel constructions
  • Railings
  • Consoles
  • Ladders
  • Hand-rails
  • Cable trays
  • Machines
  • Staircases
  • Facades
  • Window elements

Mechanical Anchors – FZA:

  • Undercut anchor for pre-positioned (FZA bolt version and internally-threaded anchor FZA-I) and push-through installation (FZA-D bolt version).
  • A cylindrical conical hole with an undercut is produced with the Drill bit FZUB in one work process.
  • When setting the anchor, the anchor sleeve is driven over the cone with a hammer (or setting tool) and fills the undercut hole with a positive fit.

Also available: special version FZA ST A4 for man hole step irons according to DIN V 1211 GS / 1212 GS.

  • A4 stainless steel version for outdoor use and in damp conditions, highly corrosion-resistant steel C (material no. 1.4529) for applications in aggressive atmospheres.


Mechanical Anchors – FZA:

  • Positive fit in the undercut gives additional safety.
  • Virtually expansion-free operation allows cost-efficient fixing with very small edge distances and axial spacings.
  • Single-step drilling process simultaneously produces the undercut, saving installation time.
  • Green ring becomes visable when correctly set.
  • The FZA is suitable for pre-positioned installation, whereas the FZA-D is suitable for push-through installation.
  • The FZA-I with internal thread is suitable for pre-positioned installation.
  • The undercut drill hole is created using the special FZUB drill bit.
  • Once the anchor has been placed in the drill hole, the expansion sleeve is driven over the cone using the FZE Plus setting tool, and the undercut drill hole is filled with a positive fit.
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