Concrete screw with hexagon head and pressed-on washer W-BS/S
Concrete screw W-BS type S ZFSH silber w/ washer
ANC-(W-BS/S)-(ZFSH)-WS13-25-45-8X90
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Extremely flexible to use
Three anchoring depths (sizes 6 – 14) and a large variety of types
Fastening can be adjusted up to twice after installation
(Sizes 8 - 14), for example in order to align railings or anchor plates (please refer to the assembly guide in the approval or the enclosed leaflet)
- High load-bearing capacities
- Virtually no expansion effect, enabling minimal axis and edge distances to be maintained
- Very quick and easy to install
- No installation torque required
- Immediate load-bearing capacity – no waiting
From size 8, we recommend the use of a suitable tangential impact screwdriver for installation.
If several anchors are arranged behind each other in the same load direction, only one anchor is positioned for transverse loads.
ETA-16/0043 for individual attachment
Option 1, cracked and non-cracked concrete (sizes 6–14), seismic performance category C1 (sizes 8–14)
ETA-16/0128 for multiple attachment
Concrete (sizes 5 and 6)
Hollow-core prestressed concrete ceilings (size 6)
Fire resistance
R30, R60, R90, R120; Technical Report TR020 (included in the approvals)
Datasheets(X)
Individual attachment sizes 6 – 14:
Standard concrete C20/25 to C50/60 (cracked and non-cracked concrete, seismic performance category C1 for sizes 8–14)
Multiple attachment sizes 5 and 6:
For anchoring of non-load-bearing systems in cracked and non-cracked concrete
For attachment in hollow-core prestressed concrete ceilings, size 6
Suitable for attaching metal structures, metal profiles, brackets, footplates, supports, cable conduits, pipelines, railings etc.
Can be used in concrete < C20/25 and hard natural stone (unapproved)
W-BS/ZFSH (Zinc Flake galvanised steel) approved for use in indoor and outdoor areas
Anchor size | 8 mm |
Anchor length (l) | 90 mm |
Attachment height (t fix 1) | 45 mm |
Attachment height (t fix 2) | 35 mm |
Attachment height (t fix 3) | 25 mm |
Thread diameter | 8 mm |
Nominal drill-bit diameter (d 0) | 8 mm |
Drill hole depth (h 1.1) | 55 mm |
Drill hole depth (h 1.2) | 65 mm |
Drill hole depth (h 1.3) | 75 mm |
Embedding depth (h nom1) | 45 mm |
Embedding depth (h nom2) | 55 mm |
Embedding depth (h nom3) | 65 mm |
External drive | WS13 |
Material | Steel |
Surface | Flake zinc silver |
Washer diameter | 16 mm |
Through-hole in the component to be connected (d f) | 12 mm |
Head type | Hexagon head |
Type description | W-BS type S |
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