GB/T 196-2025: General purpose metric screw threads - Basic dimensions

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Newer / historical versions: GB/T 196-2025

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Scope

This document specifies the basic dimensions of regular screw threads (general purpose
metric screw threads M) based on the design profiles of GB/T 192 and the diameter and
pitch series of GB/T 193.
This document applies to metric fastening threads.

Basic Data

Standard ID	GB/T 196-2025 (GB/T196-2025)
Description (Translated English)	General purpose metric screw threads - Basic dimensions
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J04
Classification of International Standard	21.040.10
Word Count Estimation	18,155
Date of Issue	2025-03-28
Date of Implementation	10/1/2025
Older Standard (superseded by this standard)	GB/T 196-2003
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration