Use of a Thread

Use of a Thread Points : Use of a Thread, uses, function, purpose Screw threads are used for a range of function and purpose in machine tool engineering:

1. Toward convey motion as lead screw move carriage on an engine lathe, use of screw jack use of screw press.
2. Toward power or give precise movement as the spindle on a micrometer screw gauge.
3. Toward give a mechanical benefit as a screw jack raises weighty loads.
4. Toward hold or fasten parts jointly as screws, bolts, with nuts.