The Integral screws is used for hardwood structures.
It break the traditional limitation of pre-drilling.
The patent of this screw is held by SEC.
  • Double Nick Point
    Drill into hardwood without pre-drilling and prevent wood from cracking.

    Asymmetric Thread
    Special angle design can increase tensile strength and give an enhanced pull-out resistance in a variety of applications.
    Also firmly clinches plates together to close gaps in multi-ply assemblies.

    Reduce the torsion of the upper teeth.

    Specail Torx20 Head
    Perfectly sink into wood without burrs.



    No need for pre-drilling and helps positioning without slipping.

    And the head can be completely sunk without burrs.



  • Diameter:5.5mm

    Length: 50mm ~ 75mm
    Usage:Hardwood、softwood、wooden truss、floor、outdoor deck railing、others
    Characteristic:Less effort and no burrs.


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