head bolt

A form of headbolt — A bolt that is used to secure the head of something (such as the cylinder head of an internal combustion engine).

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Meanings

nounhead bolt (plural head bolts)

plural head bolts

  1. alternativeAlternative form of headbolt.

    Hex head bolt length is always measured from the underside of the bolt head to the threaded tip of the shank.

    2008, Mike Mavrigian, High Performance Fasteners and Plumbing, →ISBN
    2 more examples

    However, a head bolt with less stretch is not necessarily as effective as a stock one if a steel shim gasket is used.

    1991, David Vizard, How to Build and Modify Chevrolet Small-Block V-8 Cylinder Heads, →ISBN

    Normal head bolt torque values have a calculated safety factor of about 25% less than the maximum amount a bolt can be torqued without becoming permanently stretched.

    2004 -, Tim Gilles, Automotive Service: Inspection, Maintenance, Repair, →ISBN, page 613
Cite this entry
APA

head bolt. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/head%20bolt

MLA

“head bolt.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/head%20bolt. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “head bolt,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/head%20bolt.

Source: head bolt on Wiktionary, CC BY-SA 4.0.