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W-SD WSS 1/L impact anchor
W-SD WSS 1/L impact anchor

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W-SD WSS 1/L impact anchor

Noise insulating quick-assembly system for mounting punched tape, eyelets or hook wire, nonius hangers etc., for concrete

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Stop bits must be used (approval is subject to use of a stop bit)


Anchors and stop bits form a perfectly coordinated system. This system unit prevents installation errors and ensures attachment as stipulated in the approval.



  • WSS: Pre-assembled unit (anchor, insulating part and hanger) ensures quick and easy insertion

  • Acoustic insulation directly on the raw ceiling ensures long-lasting, technically sound compliance with DIN 4109

  • Immediate load-bearing capacity — no waiting

  • Minimal suspension height
Proof of Performance Multiple attachment of non-load-bearing systems in concrete: European Technical Approval ETA-07/0138
Dimensioned in accordance with the European Technical Approval Guidelines (ETAG) for "Metal Anchors for Use in Concrete", Appendix C, measurement process C
Fire resistance (anchoring base: concrete 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-07/0138)
Drill the hole
Knock in anchor with setting tool until flush
Mount component
Multiple attachment of non-load-bearing systems in concrete: European Technical Approval ETA-07/0138
Dimensioned in accordance with the European Technical Approval Guidelines (ETAG) for "Metal Anchors for Use in Concrete", Appendix C, measurement process C
Fire resistance (anchoring base: concrete 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-07/0138)