butterfly concrete anchor

Self-drilling screws, also known as tek screws, are designed with a unique that eliminates the need for a pre-drilled pilot hole. This feature saves time, effort, and reduces the risk of material splitting, making them an ideal choice for DIY enthusiasts and professionals alike. The sharp tip, usually accompanied by threading near the head, allows the screw to pierce through the wood effortlessly while the rest of the thread bites into the material, providing a secure hold.

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20mm chipboard screws typically feature a coarse thread, which allows for quick penetration into the board without causing excessive strain on the material. Their length, 20 millimeters, is ideal for most applications, providing ample depth for secure fixing without protruding through the other side. The sharp point at the tip ensures easy entry into the board, while the Phillips or Pozidriv head offers a secure grip for the driver bit, reducing the chances of slippage during installation.

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