self drilling screw dia 6 x 20 mm truss screw

3. Versatility Hex head self-drilling screws can be used in a variety of materials, including metal, wood, plastic, and composite materials. This versatility makes them suitable for numerous applications, from roofing and siding to machinery assembly and metal fabrication. Their ability to function effectively in various contexts is a key reason they are favored by contractors and DIY enthusiasts alike.


hex head self drilling screws

hex

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The ceramic coating on these screws is a thin layer of zirconia or silicon nitride, which is known for its extreme hardness and excellent thermal stability. This coating not only enhances the screw's resistance to corrosion but also provides a non-stick surface that reduces friction during installation. As a result, these screws can be driven into materials more easily and quickly, significantly increasing productivity on construction sites.

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