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GB/T 12520-1990Offset cruciform recess for rotary fastening devices (English PDF)

高扭矩十字槽

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

November 3, 1990

Implementation date

September 1, 1991

Scope

GB/T 12520-1990 is the English-translated version of 高扭矩十字槽.

GB/T 12520-1990 — Offset cruciform recess for rotary fastening devices

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Document preview — GB/T 12520-1990

National Standard of the People's Republic of China

ICS: 21.06
Classification: J 45

What this standard covers1
Document data2

What this standard covers

This standard specifies the relative sizes of threaded fasteners for high torque and inspection Phillips Phillips plug gauge. This standard applies to aerospace professionals, but also to withstand high torque fasteners to other requirements.

Document data

International classification (ICS): 21.06.

Chinese classification (CCS): J45.

Estimated length of the Chinese original: 8,837 words.

Adopted international standard: ISO 7994-1985, MOD.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.

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