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NO.5 POINT SELF DRILLING SCREWS

  • Milling Point
    When drilling into the edge of the wood, the torque can be reduced, so the wood will not be cracked.

    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.

    Corrosion Resistant
    C3, C4  Ruspert coating.
    Salt Spray Test 1000, 2000 hrs.
    Kesternich Test 15, 20 cycles. 

    Ribs
    Fix firmly, sink cleanly and security into the wood.


     

    drilling speed test

    #12 No. 5 point self drilling screws

    From the curve, it is obvious that the SEC milling screw is faster and stable compared to the traditional one.

    Traditional screws averaged 22.6, while SEC's milling screws averaged 10.9. The difference between the two is 11.7 seconds. 

    This is a breakthrough speed because it represents an increase in work efficiency and a reduction in time cost.

     


     

     
  • Length: 25mm~ 200mm

    Usage:Prefabricated house、building roof、floor、truck bucket、container floor、others

    Hardness : Suface Hardness Min 580HV、Core Hardness Max 425HV

    Sureface Treatment : Zinc plated Cr3+、Yellow/Black Zinc plated Cr6+/Cr3+、Ruspert C2/C3/C4、Mechanical Galvanizing C2~C4

     
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