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Screw anchor W-SA A4
For individual attachment in cracked and non-cracked concrete. Hexagon head, stainless steel A4.
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- Anchoring via positive locking
- The saw-tooth threads cut into the concrete when the anchor is screwed into the pre-drilled hole
- Through-hole mounting
- Immediate load-bearing capacity – no waiting
- Virtually no expansion effect, enabling minimal edge and axial clearance to be maintained
- Can be fully removed quickly and easily
- Quick, easy installation by screwing the screw anchor into the drill hole
European Technical Approval option 1 for cracked and non-cracked concrete: ETA-06/0277
Fire resistance (anchoring base: concrete from C20/25 to C50/60): R30, R60, R90, R120: Technical report TR 020 "Evaluation of anchorages in concrete concerning resistance to fire" (included in ETA-06/0277)
Individual attachment: Cracked and non-cracked concrete
With a European Technical Approval, the anchor may be used in reinforced or non-reinforced standard concrete of a strength class of at least C20/25 and at most C50/60 in accordance with EN 206: 2000-12
Anchoring in cracked concrete (tension zone) and non-cracked concrete (compression zone) with European Technical Approval
The anchor may be used for anchoring with predominantly static loads (e.g. tare weight, fittings, stored materials) or quasi-static loads (e.g. façades, railings)
Can be used in concrete < C 20/25 and hard natural stone (unapproved)
W-SA A4 (stainless steel A4) can be used in dry indoor areas, outdoors (including in industrial atmospheres and coastal areas) or in wet rooms, provided that no particularly aggressive conditions are present
Suitable for attaching metal structures, metal profiles, brackets, footplates, supports, cable conduits, pipes, railings, wooden structures, roof beams, etc.
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