GB/T 948-1988

Active

Slotted countersunk head screws with waisted shank

开槽沉头不脱出螺钉

Standard Type
GBT
ICS
21.060.10
CCS
J13
Status
Active
Issue Date
1988-06-24
Implementation
1989-07-01
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 dimensions, technical requirements, and marking for slotted countersunk head screws with a waisted shank, designed to prevent the screw from fully detaching from the assembly. It is applied in mechanical and electronic equipment where a captive fastening is required, such as in instrument panels, access covers, or vibration-prone assemblies, ensuring the screw remains retained even when loosened.

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.