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- Strength and Reliability Their design provides excellent pull-out resistance, making them suitable for heavy loads and critical applications.

1. Self-Drilling Tip The most distinctive feature of these screws is their self-drilling tip, which is engineered to drill through various substrates, including metal and wood, without requiring additional tools. This simplifies the application process, particularly in areas where precision is crucial.

5. Precast Elements M20 bolts are used to connect precast concrete elements during assembly, providing quick and effective ways to join large structures without extensive welding or other complex methods.

Butterfly screws, also known as toggle bolts, are a type of fastener that features a pair of wings that fold during installation and expand once they are inside a pre-drilled hole. The design allows for a stronger grip on hollow walls, such as drywall, where regular screws might not provide sufficient anchoring. Butterfly screws are particularly useful for mounting heavier items like televisions, where the risk of falling can be a significant concern.