Information related to threading technology

Under the following web links you can find information about threading technology and related industries or topics.

Specifications of interanational thread standards
http://www.gewinde-normen.de/en/index.html

Information and products related to drive technology (available only in German)
http://stoewer-getriebe.de/index.html

Material information
Technical Properties of Stainless Steels with interacive search function
http://www.euro-inox.org/technical_tables/index.php?language=en
(Source: Euro Inox, Brussels)

Historic information about threading technology in ancient times
(soon to be posted)