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ASSY® 3.0 zinc-nickel-plated timber screw
ASSY<SUP>®</SUP> 3.0 zinc-nickel-plated timber screw - 6
ASSY<SUP>®</SUP> 3.0 zinc-nickel-plated timber screw - 1
ASSY<SUP>®</SUP> 3.0 zinc-nickel-plated timber screw - 2

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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.

  • Nominal diameter: 8 mm
  • Length: 280 mm
  • Thread length (lg): 100 mm
  • Head type: Countersunk head
  • Head details: Milling pockets
  • Head diameter: 15 mm
  • Head height: 4.6 mm
  • Internal drive: AW40
  • Thread type: Wood screw thread
  • Thread design: Partial thread
  • End milling cutter: Yes
  • Thread form: Coarse thread
  • Core diameter: 6 mm
  • Shape of tip: Tip with counter thread
  • Angle of the tip: 34 Degree
  • Material: Hardened steel
  • Surface: Zinc nickel
  • Colour: Silver
  • Min./max. screw-in angle: 0-90 Degree
  • Suitable for use in the following materials: Board ply wood (BSP), Wood, Derived timber product, Hardwood, LVL, Softwood
  • Area of application: On rafter insulation, Roof, Element construction, Wet areas, Timber construction, Timber panel construction, Interior fitting, Structural woodwork
  • Additional accessory: Bit lock
  • Screw requiring approval: Yes
  • Approval: ETA-11/0190
  • RoHS-compliant: Yes

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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

Notice

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.

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