ObsoleteGo to latest versionGB/T 6138-2023

GB/T 6138-1985Subland twist drills with parallel shanks for holes prior to tapping screw threads (English PDF)

GB/T 6138 | Evolution and historical versions

Std ID	Title	Status
GB/T 6138-2023	Subland twist drills for holes prior to tapping screw threads	Valid
GB/T 6138-1985	Subland twist drills with parallel shanks for holes prior to tapping screw threads	Obsolete

GB/T 6138-1985 is obsolete. It has been replaced by GB/T 6138-2023. This page sells the obsolete edition, for projects and contracts that still cite it.

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Level / Type

National · Recommended

Scope

GB/T 6138-1985 (Subland twist drills with parallel shanks for holes prior to tapping screw threads) is available as an English-translated PDF.

GB/T 6138-1985 is the Chinese national standard "Subland twist drills with parallel shanks for holes prior to tapping screw threads". It is obsolete: it has been replaced by GB/T 6138-2023.

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Document preview — GB/T 6138-1985

Document data

1 Document data

Sector: National standard (Recommended).

Status: obsolete, replaced by GB/T 6138-2023.

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

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