GB/T 4246-1984

Abolished

Special tolerance for reamers

铰刀专用公差

Standard Type

GBT

ICS

25.100.30

CCS

J41

Status

Abolished

Issue Date

1984-03-28

Implementation

1985-01-01

Centralized Committee

N/A

Issuing Authority

N/A

Application Summary AI generated

This standard specifies the unique tolerance system for reamers, defining the permissible deviations for their cutting diameters. It is applied in the manufacturing and quality inspection of reamers used for precision hole finishing in metalworking, ensuring that reamed holes achieve the required fit and surface quality. The standard is critical for toolmakers and machinists in industries like automotive, aerospace, and general mechanical engineering.

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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.