In plumbing, “threaded” refers to the presence of a spiral ridge, or threads, on the external or internal surface of pipes, fittings, nuts, bolts, or screws. Threaded connections are commonly used to create secure, leak-proof joints in both water supply and drainage systems. There are two main types of threads: male (external) and female (internal), which fit together to form a connection. Threaded fittings require sealing materials, such as Teflon tape or pipe dope, to prevent leaks and maintain pressure integrity. Proper threading, alignment, and sealing are essential for ensuring durable and reliable connections in plumbing systems.
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