QC/T 857-2023: Weld studs

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Scope

This Document specifies the type, size, technical conditions and number of weld studs with
thread specifications of M5 ~ M16, mechanical property grades 4.8 and 8.8, fastener tolerance
product grade A, and no surface treatment.
This Document is applicable to weld studs that can adjust the length of the tie rod with the
threaded fork after welding the tie rod with the weld studs of the automobile control mechanism.

Basic Data

Standard ID	QC/T 857-2023 (QC/T857-2023)
Description (Translated English)	(Weld studs)
Sector / Industry	Automobile and Vehicle Industry Standard (Recommended)
Classification of Chinese Standard	T31
Word Count Estimation	13,150
Date of Issue	2023-12-20
Date of Implementation	2024-07-01
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the type, size, technical conditions and number of welded studs with thread specifications ranging from M5 to M16, mechanical performance grades 4.8 and 8.8, fastener tolerance product grade A, and without surface treatment. This standard is applicable to welding studs of automobile control mechanism pull rods and welded studs, and then connected with threaded forks to adjust the length of the pull rod.