GB/T 70.4-2015

Abolished

Hexagon socket button head screws with collar

内六角平圆头凸缘螺钉

Standard Type
GBT
ICS
21.060.10
CCS
J13
Status
Abolished
Issue Date
2015-12-10
Implementation
2017-01-01
Centralized Committee
中国机械工业联合会
Issuing Authority
中国机械工业联合会

Application Summary AI generated

This standard specifies the dimensional, mechanical, and performance requirements for hexagon socket button head screws with an integrated collar. It is applied in mechanical assembly and manufacturing industries, particularly for fastening components in machinery, automotive, and electronic equipment where a low-profile, flush-mounting screw with a built-in washer-like flange is needed to distribute load and prevent loosening. The standard ensures interchangeability and quality control for these screws in production and procurement contexts.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.