machine bolt

American

noun

a threaded fastener, used with a nut for connecting metal parts, having a thread diameter of about 1/4 inch (6.4 millimeters) or more and a square or hexagonal head for tightening by a wrench.

machine bolt British

noun

a fastening bolt with a machine-cut thread

"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.

When the boys bashed the box, it flew off its supports with a clang and satisfying rattle, left dangling by the machine bolt.

From Forbes

Make a simple coil by winding about 50 turns of wire around a machine bolt core.

From Project Gutenberg

There are many forms of bolts in the market, but the ordinary "machine bolt," 5⁄16 in. in diameter, is best for our purposes.

From Project Gutenberg

In a portion of the mill building, originally used as a puddle mill, is located the bolt and nut works, wherein are made track bolts and machine bolts.

From Project Gutenberg

The Core is made of a 5⁄16 machine bolt, 2½ in. long.

From Project Gutenberg

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