GB/T 9074.4-1988

Active

Cross recessed pan head screw,single coil spring lock washer and plain washer assemblies

十字槽盘头螺钉,弹簧垫圈和平垫圈组合件

Standard Type
GBT
ICS
21.060
CCS
J13
Status
Active
Issue Date
1988-04-16
Implementation
1989-01-01
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 dimensions, technical requirements, and marking methods for assemblies combining a cross recessed pan head screw with a single coil spring lock washer and a plain washer. It is applied in mechanical and electronic product assembly where vibration resistance and load distribution are required, such as in automotive, appliance, and general machinery fastening systems. The standard ensures interchangeability and reliable locking performance in mass-produced threaded connections.

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.