ISO 898-5:2012
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Mechanical properties of fasteners made of carbon steel and alloy steel -- Part 5: Set screws and similar threaded fasteners with specified hardness classes -- Coarse thread and fine pitch thread


ISO 898-5:2012 specifies mechanical and physical properties of set screws and similar threaded fasteners made of carbon steel or alloy steel when tested at an ambient temperature range of 10 °C to 35 °C. Fasteners (the term used when set screws and similar threaded fasteners are considered all together) which conform to the requirements of ISO 898-5:2012 are evaluated at that ambient temperature range.

Fasteners according to ISO 898-5:2012 are classified to specified hardness classes and are intended for use under compressive stress only.

ISO 898-5:2012 is applicable to set screws and similar fasteners:

  • made of carbon steel or alloy steel,
  • having a triangular ISO metric screw thread according to ISO 68-1,
  • with a coarse pitch thread M1,6 to M30, and fine pitch thread M8×1 to M30×2,
  • with diameter/pitch combinations according to ISO 261 and ISO 262, and
  • having thread tolerances according to ISO 965-1 and ISO 965-2.


  • Document published on: 2012-06
    Edition: 3 (Monolingual) ICS: 21.060.10
    Status: Published Stage: 90.20 (2017-01-15)
    TC/SC: ISO/TC 2/SC 11 Number of Pages: 15
  • Revises: ISO 898-5:1998

  • No corrigenda or amendments available

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