While not fasteners in the traditional sense, washers are often used in conjunction with bolts, nuts, and screws to improve their performance. Washers distribute the load of the fastener over a larger surface area, helping to prevent damage to the material being fastened and reducing the risk of loosening due to vibration. There are several types of washers, including flat washers, lock washers, and fender washers, each serving specific functions in various applications.

3. Easy Installation While they may seem complex, butterfly screws are straightforward to install. Once you've drilled the appropriate hole and inserted the screw, simply pull the toggle wings back into place, and you’re ready to mount your TV.

Bracing is a technique used to provide additional support to a structure by distributing lateral loads and preventing deformation. These loads can come from various sources, including wind, earthquakes, and uneven settlement of the foundation. Without adequate bracing, steel structures risk failure, which could lead to catastrophic collapse and pose considerable risks to safety.