GB/T 197-2003
AbolishedGeneral purpose metric screw threads--Tolerances
普通螺纹 公差
Application Summary AI generated
GB/T 197-2003 specifies the tolerance system for general purpose metric screw threads, defining the permissible deviations for pitch diameter, major diameter, and minor diameter. It is applied in the design, manufacturing, and quality inspection of threaded fasteners and mechanical components across industries such as automotive, aerospace, and general machinery. This standard ensures interchangeability and consistent fit quality for metric threads used in assembly and maintenance contexts.
Related Standards
GB/T 9144-2003
General purpose metric screw threads--Preferable plan
GB/T 2516-2003
General purpose metric screw threads--Limit deviations
GB/T 196-2003
General purpose metric screw threads--Basic dimensions
GB/T 193-2003
General purpose metric screw threads--Generalplan
GB/T 192-2003
General purpose metric screw threads--Basic profile
GB/T 1414-2003
General purpose metric screw threads--The plan for pipe systems
GB/T 9146-2003
General purpose metric screw threads--Limits of sizes for the screw threads of coarse quality and preferable plan
GB/T 9145-2003
General purpose metric screw threads--Limits of sizes for the screw threads of medium quality and preferable plan
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.