For detailed information, other images and documents, please select individual articles from the following table.
High-performance anchor with countersunk head screw W-HAZ-SK/A4
Heavy-duty anchor for high loads in cracked and non-cracked concrete, ideal for flush-mounted fixtures, such as railings or handrails. Stainless steel A4
Register now and access more than 125,000 products
![](https://media.wuerth.com/source/eshop/stmedia/wuerth/images/std.lang.all/resolutions/category/78px/37123.jpg)
![](https://media.wuerth.com/source/eshop/stmedia/wuerth/images/std.lang.all/resolutions/category/78px/4718153.jpg)
![](https://media.wuerth.com/source/eshop/stmedia/wuerth/images/std.lang.all/resolutions/category/78px/37850891.jpg)
![](https://media.wuerth.com/source/eshop/stmedia/wuerth/images/std.lang.all/resolutions/category/78px/574255612.jpg)
![](https://media.wuerth.com/source/eshop/stmedia/wuerth/images/std.lang.all/resolutions/category/78px/819973.jpg)
Variants
Register now and access more than 125,000 products
Call customer service: +420 323 041 141
Prices for customers after login
- High load-bearing capacities
- Time-saving push-through installation
- Immediate load-bearing capacity – no waiting
- Torque-controlled expanding A4 stainless steel anchor
- Countersunk head design for an elegant appearance (e.g. railings)
- ETA-02/0031 for individual attachment, option 1, cracked and non-cracked concrete, seismic performance category C1 and C2
- Fire resistance: F30, F60, F90 and F120; exposure to fire according to DIN 1363-1:1999-10 (uniform temperature-time curve)
- Fire resistance: R30, R60, R90 and R120; TR020 (included in ETA-02/0031)
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/normal/348px/4206421.jpg)
Railings
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/normal/348px/4206422.jpg)
Handrails
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/category/348px/12162591.jpg)
Create the drill hole
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/category/348px/12162590.jpg)
Clean the drill hole
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/category/348px/40892690.jpg)
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/category/348px/40892688.jpg)
- ETA-02/0031 for individual attachment, option 1, cracked and non-cracked concrete, seismic performance category C1 and C2
- Fire resistance: F30, F60, F90 and F120; exposure to fire according to DIN 1363-1:1999-10 (uniform temperature-time curve)
- Fire resistance: R30, R60, R90 and R120; TR020 (included in ETA-02/0031)
Individual attachment with approval
Normal concrete C20/25 to C50/60 (cracked and non-cracked concrete, seismic performance category C1 and C2 for sizes M8–M12)
e.g. metal structures, metal profiles, brackets, base plates, supports, cable conduits, pipes, railings, machines etc.
Individual attachment without approval
Can be used in concrete < C20/25 and compression-proof natural stone
Approved for use in dry indoor areas and also outdoors (including industrial atmospheres and coastal areas) or in damp rooms, provided that no particularly aggressive conditions are present
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!