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Window construction screw ASSY® FBS Cut
Window construction screw ASSY<SUP>®</SUP> FBS Cut - 1
Window construction screw ASSY<SUP>®</SUP> FBS Cut - 2
Window construction screw ASSY<SUP>®</SUP> FBS Cut - 3
Window construction screw ASSY<SUP>®</SUP> FBS Cut - 4

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Window construction screw ASSY® FBS Cut

The ASSY screw for all wooden window construction and furniture construction fittings.

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Available in 4 versions

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Exclusively for trade customers

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Self-clearing groove in the tip area


The self-clearing groove milled into the tip inhibits splitting forces exerted by the screw in wood, in particular where the screw is used close to edges.



Special countersunk head, D = 7.2 mm, with light lens and under-head restraining grooves


  • Special head shape — head fits cleanly in the fitting.

  • Under-head restraining grooves to prevent over-tightening of the screw in the fitting.


Machine capable AW drive system


  • Better force transfer

  • Longer service life of the bit

  • Optimum centring

  • Largest possible contact surface


Asymmetrical thread


Single-start thread with sharp tip. Screw with ring thread and self-clearing groove in tip area, preventing splitting of wood even when working close to edges. The screw-in torque is considerably lower than with standard chipboard screws, which extends the service life of the processing machine and the bit insert.