This document specifies the types, dimensions, and technical conditions of overhead projection weld bolts. This document is applicable to the type A overhead projection weld bolts and type B overhead projection weld bolts for automobiles, which have a thread specification of M4 ~ M12/M12 x 1.25.
Basic Data
Standard ID
QC/T 599-2022 (QC/T599-2022)
Description (Translated English)
Overhead projection weld bolts
Sector / Industry
Automobile and Vehicle Industry Standard (Recommended)
Classification of Chinese Standard
T33
Word Count Estimation
12,199
Date of Issue
2022-04-08
Date of Implementation
2022-10-01
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the types, dimensions and technical conditions of end face projection welding bolts. This standard is applicable to the thread specification of M4��M12/M12 and #215;1.25 A-type end face projection welding bolts and B-type end face projection welding bolts for automobiles.
