Screw thread
A screw thread is a system used to turn rotational movement into linear movement with a geometric form similar to an inclined plane wrapped around a cylinder. Examples include typical fasteners such as wood screws, bolts, nuts, c-clamps, Archimedes's screw, pipe fittings, etc.
See also
- USS or United States Standard
- Unified Thread Standard (UTS)
- National Thread Form
- Acme Thread Form
- Butress Thread Form
- National Pipe Thread Form
- Dryseal Pipe Threads Form
- Hose Coupling Screw Thread Form
- Metric: M Profile Thread Form
- Metric: MJ Profile Thread Form
- Microscope Objective Thread
- Joseph Whitworth