These screws are installed without needing to pre-drill a hole, as they make their own hole when installed in a substance. In some cases, you might prefer to pre-drill a hole for a more secure and easier installation, but it's not necessary.
These found their application mainly in automotive, carpentry, workshop projects, and DIY scenes. Bright zinc coating makes them water and rust-resistant, which is helpful in damp environments or outdoors. It also adds a sleekness to their appearance.
These screws can even be used with plastic and wood and provide a very secure connection.