coach screw

Meanings

nouncoach screw (plural coach screws)

CommonwealthIrelandUKbusinessA large metal wood screw with a head that takes a spanner.
In turnouts the special fittings are secured by coach screws. Portable air compressors with special tools for boring holes and driving the coach screws save both time and labour.
1943 September and October, “Railway Construction and Operation at War Department Depots”, in Railway Magazine, page 263
Synonyms: lag screw, lag bolt

nounA large metal wood screw with a head that takes a spanner.

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Cite this entry

APA

coach screw. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/coach%20screw

MLA

“coach screw.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coach%20screw. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “coach screw,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/coach%20screw.