Hilti Aktiengesellschaft

Hilti Aktiengesellschat

Jan Allaart

Roland Foser

Steven Moseley

Josef Glogger

Juergen Wieser

Thilo Hammers

Horst Stroissnigg

Franz-Xaver Huber

Sven Dietze

Thorsten Ebert

Damian Piontek

Jascha Marnette

Johannes Geirhos

Günther Domani

Jürgen Wieser

A fastening element for hard constructional components such as concrete, masonry, and the like, includes a cylindrical base body () having an inwardly located engagement element () for the setting bit and formed as a through-opening () in the bottom section () which is provided at the first end of the base body, a receptacle () opening toward the second end (), remote from the first end and adjoining the engagement element () in a direction toward the second end (), and provided with load application means (); and a self-tapping thread () provided, at least regionwise, on an outer surface () of the base body ().

Fastening element for hard constructional components

A fastening element which has a core () of a relatively hard, carburized steel and a ferritic rim zone () of a less hard, low-carbon steel, includes a stem (), a head () provided at one end of the stem (), a tip () provided at an opposite end of the stem (), and a transition region () extending between the stem () and the tip () and in which a thickness () of the ferritic rim zone () gradually diminishes from the stem () in a direction toward the tip () to a nill value (), so that the tip () is free from the ferritic rim zone ().

Fastening element

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Mauren, Liechtenstein

Jan Allaart