5 self drilling screws

Butterfly screws, also known as wing nuts or butterfly nuts, are a distinctive type of fastener that have gained popularity in various engineering and design applications due to their unique shape and functionality. These screws derive their name from their appearance, which resembles a butterfly in flight when the wings are fully opened. The wings serve as handles, allowing for quick and easy tightening or loosening by hand without the need for additional tools.

...

One of the significant advantages of chemical anchors over mechanical anchors is their adaptability. They can be used in a wide range of materials, including concrete, brick, stone, and even metal, providing a versatile solution for diverse construction needs They can be used in a wide range of materials, including concrete, brick, stone, and even metal, providing a versatile solution for diverse construction needs They can be used in a wide range of materials, including concrete, brick, stone, and even metal, providing a versatile solution for diverse construction needs They can be used in a wide range of materials, including concrete, brick, stone, and even metal, providing a versatile solution for diverse construction needschemical anchor. Additionally, their installation does minimal damage to the substrate, reducing the risk of structural weakening.

...

One of the main advantages of wall butterfly anchors is their versatility. They can be used to hang a wide range of items, from picture frames to light fixtures. They are also easy to install, requiring just a few simple steps. First, you will need to drill a hole in the wall that is slightly larger than the anchor itself. Then, insert the anchor into the hole and gently tap it into place with a hammer
wall
wall butterfly anchors. Finally, insert the screw into the anchor and tighten it to secure your item to the wall.

...