Self Basin Bolt Set is a type of plumbing hardware used to secure a sink basin to a countertop or vanity. The bolts are usually made of stainless steel or brass to prevent rust and corrosion, while the nuts and washers are made of a durable material like nylon or rubber to provide a secure and watertight seal. Different sinks may require different bolt lengths or thread sizes, so it is important to choose a set that is specifically designed for your sink. Furthermore, the Self Basin Bolt Set available in various sizes to fit different types and sizes of sink basins and countertops or vanities.