VDI Thread |
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Specifications of historical Thread Standards | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
In 1876 Karl Deliste suggested this thread and it was accepted by the VDI (Verein Deutscher Ingenieure) in Breslau 1888. However, this thread was replaced by the S.I.-Thread on the International Congress named "Internationaler Kongress zur Vereinheitlichung der Gewinde" which took place on 3rd and 4th October 1898 and is no longer used. Advertising:
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