ISO_965

ISO 965

ISO 965

ISO standard

ISO 965 (ISO general purpose metric screw thread—tolerances) is an International Organization for Standardization (ISO) standard for metric screw thread tolerances.[1] It specifies the basic profile for ISO general purpose metric screw threads (M) conforming to ISO 261.[2]

The tolerance system refers to the basic profile in accordance with ISO 68-1. The field of application and purpose of ISO 965 can be defined as "ISO 965 specifies a tolerance system for screw threads from 1mm diameter upwards.[3]

Thread tolerances

Limits for standard metric coarse threads according to ISO 965.[4]

More information Thread size, Engagement length ...

Limits for metric fine threads according to ISO 965:

More information Thread Size, Engagement length ...

Parts

The standard consists of the following parts:

  • ISO 965-1 Principles and basic data
  • ISO 965-2 Limits of sizes for general purpose external and internal screw threads – Medium quality
  • ISO 965-3 Deviations for constructional screw threads
  • ISO 965-4 Limits of sizes for hot-dip galvanized external screw threads to mate with internal screw threads tapped with tolerance position H or G after galvanizing
  • ISO 965-5 Limits of sizes for internal screw threads to mate with hot-dip galvanized external screw threads with maximum size of tolerance position h before galvanizing

References

  1. [1]
    "ISO general purpose metric screw threads -- Tolerances -- Part 1: Principles and basic data". International Organization for Standardization. 13 September 2013. Retrieved 10 January 2017.
  2. [2]
    "Malaysian Standard, Sectorial Catalogue, Mechanical Systems & Components-Source-Government of Malaysia" (PDF). Archived from the original (PDF) on 2009-12-29. Retrieved 2010-08-24.
  3. [3]
    ISO 965 Application as described in the Book "Transactions of Technical Conference on Metric Mechanical Fasteners, Part 3"-Source-Google Books-Published by American National Standards Institute Inc, New york
  4. [4]
    [permanent dead link] Limits for Metric (standard) Coarse Threads according to ISO 965
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