setscrew

[ set-skroo ]

noun

1. a screw passing through a threaded hole in a part to tighten the contact of that part with another, as of a collar with the shaft on which it fits.

setscrew

/ ˈsɛtˌskruː /

noun

1. a screw that fits into the boss or hub of a wheel, coupling, cam, etc, and prevents motion of the part relative to the shaft on which it is mounted

Word History and Origins

Origin of setscrew¹

First recorded in 1850–55; set + screw

Example Sentences

Or there may be a setscrew underneath the cap that you need to loosen.

From Washington Post

The Wrights' piston was typical of the time, with the rings pinned in the grooves to prevent turning and the piston pin locked in the piston with a setscrew.

From Project Gutenberg

He began punching buttons for data and fiddling with setscrews and verniers.

From Project Gutenberg

This piston-pin setscrew construction had become a standard arrangement in automobile practice.

From Project Gutenberg