Countersunk self-drilling screws are a specific type of screw designed to allow for a flush finish in various materials, including wood, metal, and plastic. The term countersunk refers to the conical shape of the screw head, which allows it to sit seamlessly against the surface of the material being fastened. This design is particularly advantageous for aesthetics and functionality, as it eliminates any protruding heads that could be prone to snagging or catching on other objects.
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2. Corrosion Resistance Many manufacturers provide M20 bolts with coatings or treatments (like galvanization) to enhance corrosion resistance. This is vital for outdoor and industrial applications where exposure to moisture and chemicals is common.
Tek screws are also known for their versatility. They can be used to fasten a wide range of materials, including metal, wood, and plastic. This makes them a popular choice for a variety of applications, from roofing and decking to automotive and HVAC systems.
