QC/T 355-2023: Wheel nuts with conical seat

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Scope

This Document specifies the type, size, technical conditions and number of wheel nuts with
conical seat for automotive with thread specifications of M12 × 1.5 to M20 × 1.5 and
mechanical property grades 8 and 10.
This Document applies to wheel nuts with conical seat for automotive.

Basic Data

Standard ID	QC/T 355-2023 (QC/T355-2023)
Description (Translated English)	Wheel nuts with conical seat
Sector / Industry	Automobile and Vehicle Industry Standard (Recommended)
Classification of Chinese Standard	T31
Word Count Estimation	13,136
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 serial numbers of conical wheel nuts for automobiles. This standard is applicable to conical wheel nuts with thread specifications of M12 and #215;1.5~M20 and #215;1.5 and mechanical performance levels 8 and 10.