Allen head
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A screw having a hexagonally shaped recess in its head.
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Copyrights:
McGraw-Hill Dictionary of Architecture & Construction
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved.
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Mentioned in
The Benefit of the Doubt
(1967 History Film)
Episode 1142: Dark Shadows (TV Episode)
(1970 Horror TV Episode)
Mulligan-Baker
(1951 Album by Gerry Mulligan with Chet Baker)
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