GB/T 39641-2020

Active

Methods for gaging fastening screw threads by thread indicating gages

螺纹指示量规检测紧固螺纹方法

Standard Type
GBT
ICS
21.040.01
CCS
J04
Status
Active
Issue Date
2020-12-14
Implementation
2021-07-01
Centralized Committee
国家标准委
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the methods for using thread indicating gages to inspect the conformance of fastening screw threads, including the selection, application, and interpretation of results for these gages. It is applied in manufacturing and quality control settings for mechanical components, such as bolts, screws, and nuts, to ensure thread accuracy and interchangeability in industries like automotive, aerospace, and general engineering. The standard is relevant for both production line inspection and laboratory testing of threaded fasteners.

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 197-2003 General purpose metric screw threads--Tolerances 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
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.