GB/T 4249-1996

Abolished

Tolerancing principle

公差原则

Standard Type

GBT

ICS

17.040.10

CCS

J04

Status

Abolished

Issue Date

1996-12-18

Implementation

1997-07-01

Centralized Committee

国家标准委

Issuing Authority

国家标准委

Application Summary AI generated

GB/T 4249-1996 defines the fundamental principles for applying tolerances to linear and angular dimensions in technical drawings. It establishes rules for interpreting tolerance zones, including the independence principle and the envelope requirement, to ensure consistent manufacturing and inspection. This standard is primarily used in mechanical engineering and product design across Chinese industries to specify dimensional limits and control part interchangeability.

Related Standards

GB/T 14495-2009 Geometrical Product Specifications (GPS)- Surface texture: Profile method Roughness comparison specimens for wooden pieces GB/T 3934-2003 Specification of gauges for general purpose screw threads GB/T 6091-2004 Knife straight edge GB/T 8122-2004 Dial bore gauges GB/T 9056-2004 Metal ruler GB/T 9058-2004 Micrometer with prismatically arranged measuring faces GB/T 8124-2004 Tolerances and general features of gauges for metric trapezoidal screw threads GB/T 6312-2004 Micrometer for measuring pipe wall thicknesses

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.