m8 self drilling screw

A butterfly plastic toggle anchor is essentially a two-part system consisting of a plastic body and a metal toggle. The plastic body, often made from durable materials like nylon or polypropylene, serves as the anchor point, while the toggle acts as a stabilizing mechanism that spreads the load behind the wall. The butterfly shape of the toggle allows it to open up once inserted into the pre-drilled hole, providing a secure grip on the inner surface of the wall.

...

Self-drilling decking screws, as the name suggests, are designed to drill their own hole and then screw in place, eliminating the need for pre-drilling. This feature alone saves a significant amount of time and effort, making them an ideal choice for both professional contractors and DIY enthusiasts. They are engineered with precision that can easily cut through various materials like wood, composite, or even metal, ensuring a smooth and efficient installation process.

...