turned bolt

turned bolt

A machine bolt, ordinarily with a hexagonal head, whose shank is fabricated to a close tolerance.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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However, such a slip-up did not happen this time as Azam for his first century after 16 Test matches when he turned Bolt on the square for a couple.
The straight-handled, 90-degree turned bolt cocked on closing with a 3-position flag safety.