Self Drilling Screws, Square Drive Pan Head, Zinc

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Self-drilling screws, also known as self-drilling or Tek screws, are a type of fastener that combines the functions of drilling and fastening into a single step. These screws are designed to create their own pilot holes as they are driven into a material, making them particularly useful for attaching materials together without the need for pre-drilled holes.

They are often used in metal-to-metal or metal-to-wood connections and are especially popular in construction, manufacturing, and DIY projects.