unfinished bolt

unfinished bolt

[¦ən′fin·isht ′bōlt]
(design engineering)
One of three degrees of finish in which standard hexagon wrench-head bolts and nuts are available; only the thread is finished.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

unfinished bolt

A bolt fabricated of low-carbon steel.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.