5 8 wedge bolt

One of the most significant advantages of ceramic-coated self-drilling screws is their ability to resist galvanic corrosion. In environments where different metals are in contact, galvanic corrosion can occur, leading to deterioration and failure of the screws. The ceramic coating acts as a barrier between the screw and the surrounding metal, preventing this corrosion from occurring. This makes these screws an ideal choice for use in marine, offshore, and other environments where corrosion is a major concern.

...

A hex head self-drilling screw is a type of screw that incorporates a hexagonal head, allowing it to be driven with a wrench or socket, offering greater torque and stability during installation. The self-drilling feature means that the screw has a unique point design that allows it to drill its own pilot hole in materials like metal, wood, and plastic without the need for pre-drilling. This eliminates the need for additional tools and saves time, making it an efficient choice for various applications.


...