GB/T 968-2007Manufacturing tolerances on the threaded of portion taps (English PDF)
丝锥螺纹公差
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Issued by
Standardization Administration of China
Level / Type
National · Recommended
Issue date
July 26, 2007
Implementation date
December 1, 2007
Scope
GB/T 968-2007 is the English-translated version of 丝锥螺纹公差.
GB/T 968-2007 — This standard specifies the type of tap thread tooth and its basic size limit deviation. This standard applies to the processing of common screw (GB/T 192, GB/T 193, GB/T 196, GB/T 197) with a tap.
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Document preview — GB/T 968-2007
National Standard of the People's Republic of China
- ICS
- 25.100.50
- Classification
- J 41
- Replacing
- GB/T 968-1994
Issued by: Standardization Administration of China
Contents
- What this standard covers1
- Document data2
- Standards quoted by this document3
What this standard covers
This standard specifies the type of tap thread tooth and its basic dimensions of limit deviations. This standard applies to processing the common thread (GB/T 192, GB/T 193, GB/T 196, GB/T 197) with a tap.
Document data
International classification (ICS): 25.100.50.
Chinese classification (CCS): J41.
Estimated length of the Chinese original: 8,814 words.
Adopted international standard: ISO 2857-1973, MOD.
Supersedes the earlier edition GB/T 968-1994.
Standards quoted by this document
GB/T 192; GB/T 193; GB/T 196; GB/T 197
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 192General purpose metric screw threads - Profiles
- GB/T 192-2003General purpose metric screw threads - Profiles
- GB/T 193General purpose metric screw threads -- General plan
- GB/T 193-2003General purpose metric screw threads -- General plan
- GB/T 196General purpose metric screw threads - Basic dimensions
- GB/T 196-2003General purpose metric screw threads - Basic dimensions
ISO 68 · ISO 261 · ISO 724 · ISO 965
Cited by
- GB/T 3464-2025Machine and hand taps
- GB/T 20326-2021Long full-diameter shank taps with recess
- JB/T 7423.2-2011Tapping machine - Part 2: Bench tapping machine testing of the accuracy
- JB/T 7423.3-2011Tapping machines - Part 3: Vertical tapping machines - Testing of the accuracy
- GB/T 967-2008Nut taps
- GB/T 3464.1-2007Machine and hand taps—Part 1:Plain parallel shank machine and hand taps
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GB/T 968-2007
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