5. Nut and Washer Compatibility When using M20 bolts, it’s crucial to pair them with corresponding nuts (usually M20 nuts) and washers. This combination ensures a secure fit and distributes the load evenly, minimizing the risk of loosening over time.

In addition to their self-drilling feature, these screws also come with various security enhancements to prevent tampering. For example, some self-drilling security screws are made with a unique head design that requires a special tool, such as a security bit or driver, to tighten or loosen. This makes it nearly impossible for someone without the proper tool to remove the screws, adding an extra layer of security to the installation.

Plastic butterfly wall anchors are small, plastic devices that are used to secure objects to the wall. They are designed to be inserted into the wall and then tightened to hold the object in place. What sets these anchors apart from other types is their butterfly-like shape, which adds a whimsical and decorative touch to the wall. In addition to their aesthetic appeal, plastic butterfly wall anchors are also quite practical and easy to use.