Threaded rod, also known as full-thread screw or lead screw, is a metal rod with external threads throughout its entire length. It is usually used in situations where long-distance connection or adjustment is required, and is widely used in construction, machinery, electrical, pipeline installation and other fields.
Nuts and bolts are the most commonly used fasteners in mechanical connections, usually used together to firmly connect two or more parts. They are widely used in construction, machinery manufacturing, automobiles, aerospace and other fields.
