Screw anchor W-SA 7.5 A4
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Screw anchor W-SA 7.5 A4
For individual fastening in cracked and non-cracked concrete. Type SK, 90° countersunk head, A4 stainless steel.
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Variants
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- Form-fit anchoring
- When screwing the anchor into a pre-drilled hole, the toothed threads cut into the concrete
- Push-through mounting
- Immediate loading possible – no downtime after installation
- Almost no expansion effect; this allows for small axis and edge distances to be maintained
- Allows quick and easy complete disassembly
- Quick, easy installation – screw the screw anchor into the drilled hole
- Wide range of different models - Wide range of uses
- European Technical Approval Variant 1 for cracked or non-cracked concrete
- Fire resistance (anchoring base: concrete C20/25 to C50/60): R30, R60, R90, R120: Technical Report TR 020 “Assessment of anchorages in concrete for fire resistance” (component ETA-06/0277)
Application area
- Individual fastening: Concrete with or without cracks
- The anchor has European technical certification for use in reinforced or unreinforced normal concrete with a strength class of min. C20/25 and max. C50/60 according to EN 206:2000-12
- The anchor can be used for anchoring with predominantly static loads (e.g. self-weight, fittings, stored materials) or almost static loads (e.g. facades, railings)
- Allows use in C20/25 < concrete and hard natural stone (not approved)
- The W-SA A4 can be used in dry indoor environments, outdoor environments (including industrial environments and coastal areas) or damp rooms, as long as there are no particularly aggressive conditions.
- Suitable for fastening metal profiles, pipework, ventilation ducts, wooden structures, etc.
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