FandWay 100 Pcs Torx Self Tapping Screws for Metal,M4.2x38mm Round Head Self Drilling Screws,Torx Pan Head Tek Screw 410 Stainless Steel Black Coating Sheet Metal Screw With T20 Bits For Alu Steel.

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Colour: Black

FandWay 185 Pcs Torx Self Tapping Screws Metal,M4.2x13~38mm Torx Self Drilling Screws,Pan Head Sheet Metal Tek Screw 410 Stainless Steel Black Coating With 1 T20 Bits For Metalwork Roofing Windows.
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Product description

  • Durable Material These screws are made from premium 410 stainless steel and Black Dacromet coatings.Passes salt spray tests, Super corrosion resistance offering 5-10x higher corrosion resistance than zinc plating black oxide.It is very suitable for outdoor and wet conditions.(Tips 410 Stainless Steel Is A New Type Of Magnetic-Absorbing Stainless Steel so they are also still magnetic.)
  • Structure & Function Featuring a drill-shaped tip with cutting grooves or spiral flutes, drill point screws integrate drilling and tapping functions. The self-drilling design eliminates the need for pre-drilling holes, enabling direct penetration into materials like metal sheets, wood, and plastic for rapid installation.
  • STAR TORX DRIVE Free 1 T20 Torx Bit ---Star Torx drive screws with 6 contact points prevent stripping, save drive torque and further fasten screws into metal construction, eliminate loose or camout.
  • How to choose the size Match screw length to material thickness M4.2 screws for 1.75-3mm steel plates.Their self-drilling and self-tapping capabilities might be limited when dealing with extremely hard or overly dense materials. It is necessary to assess the material properties beforehand.
  • Wide range of applications 1- Construction Fixing color steel plates, aluminum profiles, and light-gauge steel frames. 2 - Home Improvement Assembling furniture, wooden frames, and plastic components. 3 - Industrial Manufacturing Joining thin metal sheets in automotive mechanical equipment and corrosion-resistant outdoor installations.

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