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ASSY® 3.0 zinc-nickel-plated timber screw
For exceptional applications in utilisation classes 1 and 2. Combines the robustness of a steel screw with excellent rust protection thanks to an extremely corrosion-resistant surface in atmospheres containing salt.
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Variants
- Corrosion resistance is five times greater than a yellow zinc-plated surface (500 h in salt spray test as per DIN-EN ISO 9227)
- Its coating gives the ASSY screw a high-quality stainless-steel appearance
- Chrome VI-free
Asymmetrical thread
Prevents overturning and makes screwing in easy
AW drive
For perfect bit clamping
Milling pockets
For clean countersinking — in fittings as well
End mill
For less friction on the shaft (with diameters of 5 mm or more and lengths of 70 mm or more)
Ring or mating thread
At the tip, enables screwing close to the edge
Screws may not be used for
- Wood containing large amounts of tannic acid
- Boiler-pressure impregnated wood
- Direct weathering (utilisation class 3)
ASSY 3.0 chipboard screws are optimised for use in wooden materials. Use in plastic dowels may cause a reduction in the load-bearing capacity. Therefore, we recommend only using screws without optimised thread tips (drill tip, mating thread, ring thread, serrated edge, self-clearing groove etc.) in plastic anchors, e.g. ASSY D, DIN 571 hexagon wood screws or Wüpofast screws.
To attach metals to wood, machine a precise cut-out in the metal tab.
Available work documents:
Timber dimensioning software, load tables and detailed processing instructions can be found on the service page www.wuerth.de/assy.
ETA-11/0190
When using these screws, the ETA-11/0190 specifications must be observed.
Suitable for use outdoors in accordance with utilisation class 2 (NKL 2) DIN 1052:2008 (covered, open structures)
Screw-in angle 0° to 90°. For coniferous wood or wood-based materials made from softwood, the screw connection is made without pre-drilling. To reduce the edge distances, a pre-drilled hole can be made according to the core diameter. When screwing into hardwood, pre-drill according to ETA-11/0190.
Select RAL-colour code
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