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through-bolt1
noun
(also thorough-bolt)
A bolt passing through the objects fastened by it, and secured at each end.
Origin
Early 19th century. In some forms from through- + bolt.
through-bolt2
verb
(also thorough-bolt)
To fasten with a through-bolt.
Origin
Mid 19th century; earliest use found in Practical Mechanic's Journal 1852–3. From through-bolt.
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