GB/T 6188-2017

Active

Hexalobular internal driving feature for bolts and screws

螺栓和螺钉用内六角花形

Standard Type
GBT
ICS
21.060.10
CCS
J13
Status
Active
Issue Date
2017-12-29
Implementation
2018-04-01
Centralized Committee
中国机械工业联合会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the geometric dimensions, tolerances, and performance requirements for hexalobular (Torx) internal driving features on bolts and screws. It is applied in the design and manufacturing of mechanical fasteners used in automotive, aerospace, electronics, and general industrial assemblies where high torque transmission and reduced cam-out are required. The standard ensures interchangeability and compatibility of driving tools with fasteners across different production environments.

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.