Carbon steel nickel plated with thread locking patch precision screw

Industry knowledge：

Terms Relating To Screws

1. The difference between nuts, bolts, screws and studs: the nut shape is usually hexagonal, and the inner hole is the internal thread, which is used to match the bolt and tighten the relevant parts.
2. The head of the bolt is usually hexagonal and the rod has an external thread.Screw is small, the head has flat head, cross head, rod with external thread.
3. The studs are actually called “double-headed studs”, with external threads at both ends and a smooth rod in the middle.The long end of the thread is used to connect the deep hole, and the short end is used to connect the nut.
4. Common English representation: Screw / Bolt / Fastener (screws) (bolts) (fasteners).
5. Definition of thread: thread is a solid outer or inner surface, uniform spiral convex shape.