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ASSY® 3.0 chipboard screw with head recess
ASSY<SUP>®</SUP> 3.0 chipboard screw with head recess - 1
ASSY<SUP>®</SUP> 3.0 chipboard screw with head recess - 2

The images are examples. For detailed information, other images and documents, please select individual articles from the following table.

ASSY® 3.0 chipboard screw with head recess

Especially suitable for screwing wood to wood in furniture and shopfitting applications. The head can be covered with matching colour-coordinated caps.

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Available in 2 versions

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Connects the wood instead of splitting it!



Milling pockets — countersink anywhere


  • Suitable for wood and fittings

  • Minimum damage to coated wood materials

  • Less chips on the surface


Asymmetric thread — faster speed


  • Low screw-in torque

  • High over-turning force

  • Faster screwing in than conventional chipboard screws


AW drive — more power


  • Optimum transmission of forces

  • Very good snug fit

  • Fast location

  • Screw locates securely

  • Almost no unscrewing of the bit

  • No wobbling

  • No damage to surface coating of screw

  • Only 5 bit sizes for the diameters 3.0 to 12.0 mm


Ring/mating thread — less tendency of the wood to split, very few blow-outs


  • Minimal splitting forces, especially when screwing in at edges

  • Reduction of the screw-in torque

  • Blow-outs are avoided to a high degree thanks to the punching effect of the ring thread

  • 3.0–4.5 mm diameter = ring thread

  • 5.0–12.0 mm diameter = mating thread


Head access hole


Suitable for cover caps with 2.5 mm stud diameter

Notice

The screws are not suitable for outdoor use and for rooms subject to short-term or continuously high moisture levels! Please use ASSY 3.0 A2 stainless steel screws in these cases. The surface coatings of nickel and brass are suitable for decorative purposes only = no corrosion protection!



ASSY 3.0 chipboard screws are optimised for use in wooden materials. Use in plastic anchors 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. Würth ASSY D, prefix number 0151 (countersunk head) and prefix number 0153 (pan head).



Available work documents:


Timber dimensioning software, load tables and detailed processing instructions can be found on the service page www.wuerth.de/assy.