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QB/T 5377-2019Inner twelve-point screw head (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

January 1, 2019

Implementation date

January 1, 2020

Scope

QB/T 5377-2019 (Inner twelve-point screw head) is available as an English-translated PDF.

QB/T 5377-2019 is the Chinese standard "Inner twelve-point screw head". This standard specifies the product classification, requirements, test methods, inspection rules and markings, packaging, transportation and storage of machine socket head cap screws.

This standard applies to the head of a machine-use socket head cap screw. It was issued by Ministry of Industry and Information Technology.

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Document preview — QB/T 5377-2019

National Standard of the People's Republic of China

ICS: 25.140.30
Classification: J47

Issued by: Ministry of Industry and Information Technology

Document data
Standards quoted by this standard

1 Document data

Sector: Light Industry Standard (Recommended).

Issuing body: Ministry of Industry and Information Technology.

Date of implementation: 2020-01-01.

Chinese Standard Classification: J47.

ICS: 25.140.30.

Length: about 9,958 characters in the Chinese original.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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