tek screw types

The versatility of 2-inch self-drilling screws extends beyond just construction projects. They are commonly used in automotive, HVAC, and electrical applications as well. Their ability to penetrate various materials smoothly makes them ideal for a wide range of tasks, including but not limited to attaching metal framing, securing drywall, and assembling furniture. This adaptability allows professionals to use these fasteners across numerous industries, minimizing the need for multiple types of screws.


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Metal expansion nuts, often referred to as expansion anchors or expansion inserts, are specialized fasteners that expand when a bolt or screw is threaded into them. They typically consist of a cylindrical body with slits along its length or an expandable design that facilitates outward expansion. The main purpose of these nuts is to create a secure grip within a substrate, such as concrete, wood, or metal, thereby preventing loosening due to vibrational forces, temperature fluctuations, or stress.


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