GB/T 20325-2006

Active

Hexagonal dienuts

六方板牙

Standard Type

GBT

ICS

25.100.50

CCS

J41

Status

Active

Issue Date

2006-07-20

Implementation

2007-01-01

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

GB/T 20325-2006 specifies the dimensions, technical requirements, and marking for hexagonal dienuts used in threading tools. It applies to the manufacturing and quality inspection of die nuts for cutting external threads on bolts, screws, and similar fasteners in mechanical engineering and metalworking industries. The standard ensures interchangeability and performance consistency in both manual and machine-assisted threading operations.

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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.