machine screw

American

noun

a threaded fastener, either used with a nut or driven into a tapped hole, usually having a diameter of about 1/4 inch (6.4 millimeters) or less and a slotted head for tightening by a screwdriver.

machine screw British

noun

a fastening screw with a machine-cut thread throughout the length of its shank

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

M is a 5⁄16 machine screw, 1½ in. long, 9 being the nut furnished with it.

From How Two Boys Made Their Own Electrical Apparatus Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity by St. John, Thomas M. (Thomas Matthew)

A machine screw is a small screw, such as in Fig.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

It is held together by means of a small machine screw and a knurled nut.

From The Boy Mechanic: Volume 1 700 Things for Boys to Do by Popular Mechanics Co.

A bolt or machine screw was threaded 151 through the nut, so that its inner end pressed against the sighting rod.

From The Scientific American Boy Or, The Camp at Willow Clump Island by Bond, A. Russell (Alexander Russell)

Then we had to cook up an offset screwdriver with a ratchet that would let me reach in about a yard and still run a number 0-80 machine screw up tight.

From The Trouble with Telstar by Schoenherr, John

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023