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1) Overview

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
High racks
Wooden Constructions
Reinforcement Bards

2) Description

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.

3) Advantages

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.

4) Technical Data

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