Socket head cap screws with nylon patch are a type of fastener that is designed to prevent screws from backing out. The nylon patch is a small, cylindrical piece of nylon that is inserted into the screw hole before the screw is tightened. When the screw is tightened, the nylon patch expands and creates a frictional force that helps to prevent the screw from backing out. Socket head cap screws with nylon patch are available in a variety of sizes, lengths, and materials. The most common materials for socket head cap screws with nylon patch are steel, stainless steel, and brass. Socket head cap screws with nylon patch are used in a wide variety of applications, including furniture assembly, construction, and machinery. They are a versatile and reliable type of fastener that is well-suited for a variety of applications. Socket head cap screws with nylon patch are strong, durable, and easy to install.