tower bolt

tower bolt

[′tau̇·ər ‚bōlt]
(design engineering)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

barrel bolt, tower bolt

A door bolt which moves in a cylindrical casing; not driven by a key.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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