This document specifies the type, size, technical conditions of double end studs bm = 2d. This document is applicable to double end studs for automobiles, whose thread at the screw-in base end is transition fit thread AND the thread at the screw-in nut end is ordinary fine thread.
Basic Data
Standard ID
QC/T 871-2022 (QC/T871-2022)
Description (Translated English)
Double end studs bm=2d
Sector / Industry
Automobile and Vehicle Industry Standard (Recommended)
Classification of Chinese Standard
T31
Word Count Estimation
11,150
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 type, size and technical conditions of double-ended stud bm=2d. This standard is applicable to automotive double-ended studs whose screw-in base end is a transitional fit thread and the screw-in nut end is a fine-pitch ordinary thread.
