A screw coupler is a mechanical device used to connect two pieces of equipment or piping securely. It typically consists of a threaded screw that allows for easy tightening and loosening, ensuring a strong connection. This type of coupler is commonly used in various applications, including construction and plumbing, where reliable connections are essential. These couplers are designed to handle different types of loads and can be made from various materials, such as metal or plastic. They are often preferred for their simplicity and effectiveness in creating a tight seal, making them a popular choice in industries that require durable connections, such as construction and manufacturing.