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Tornado Self-drilling Screw

  • Thick steel to steel
  • Drill up to 12mm steel
  • Tornado self-drilling screw is special design to have a faster drilling time compare with the normal No5 self-drilling screw. It is at least 1.66 sec shorter than normal screw. Tornado point is our patented point, and the speed is close to milling point.

  • DIN, IFI, ISO, ASTM, ASME or according to customer's drawing and samples.
    Material: Carbon steel: 1022, 1018
    Gauge: #12 - #14, M5.5 – M6.3
    Length: 1/2’’- 10’’, 12mm – 250mm
    Drilling point: #5