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11:57 Jan 2, 2003
German to English translations [PRO] Tech/Engineering / electrical goods accessories
Explanation: A Sicherheitskopfschraube, for example, is a binding head screw. The purpose of the binding head is to assure that it the screw will not become loosened. The same applies to nials. I don't believe that the purpose is to provide protection or safety.
DeVries, GE Tech & Engr Dict