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ISO 724:1993

ISO general-purpose metric screw threads -- Basic dimensions

This standard has been reviewed and then confirmed in 2014 
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Note: This standard is also included in the online collection: Fasteners and screw threads.

 

Abstract

Specifies the basic dimensions of metric threads in accordance with ISO 261. The basic dimensions are: basic major diameter of internal or external thread (nominal diameter), basic pitch diameter of internal or external thread, basic minor diameter of internal or external thread, height of fundamental triangle, pitch. The values refer to the basic profile in accordance with ISO 68.

 

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