carriage bolt

noun

a round-headed bolt for timber, threaded along part of its shank, inserted into holes already drilled.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for carriage bolt

Historical Examples of carriage bolt

Indeed, a spindle might be formed from a 5-inch or 6-inch carriage-bolt.
The Pyrotechnist's Treasury
Thomas Kentish

British Dictionary definitions for carriage bolt

carriage bolt

noun

mainly US and Canadian another name for coach bolt

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