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ASSY® FBS Window construction and screw attachments

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ASSY® FBS Window construction and screw attachments

The special head with restraining grooves makes it ideal for all timber window frame and furniture construction.

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Zinc-plated steel, blue passivated, full thread, raised countersunk, AW drive



Connects the wood instead of splitting it



Special countersunk head Ø 7.2 mm, with light lens and under-head braking ribs to avoid damaging the surface.


  • Thanks to the special head shape, the head fits cleanly in the fitting

  • Thanks to the under-head braking ribs, over-turning of the screws in the fitting is prevented


Machine-capable AW drive system


  • Better force transfer

  • Longer life

  • Optimum centring

  • Largest possible contact surface


Asymmetrical entry thread with sharp tip.


  • Quick bite and precise placement

  • Low screw-in torque to increase the service life of the processing machine and the bit insert

  • High over-turning force

  • Faster screwing in than conventional chipboard screws


Ring 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
Notice

Not for outdoor use! Please use ASSY stainless steel screws in these cases.


To attach metals to wood, bradawl a precise cutout in the metal tab.

ETA-11/0190

When using these screws, please follow ETA-11/0190 specifications.