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ISO 261

ISO General Purpose Metric Screw Threads - General Plan

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Organization: ISO
Publication Date: 15 December 1998
Status: active
Page Count: 8
ICS Code (Metric screw threads): 21.040.10
scope:

This International Standard specifies ISO general purpose metric screw threads (M) having basic profile according to ISO 68-1. Basic dimensions are given in ISO 724. For tolerances see ISO 965-1.

Document History

ISO 261
December 15, 1998
ISO General Purpose Metric Screw Threads - General Plan
This International Standard specifies ISO general purpose metric screw threads (M) having basic profile according to ISO 68-1. Basic dimensions are given in ISO 724. For tolerances see ISO 965-1.
ISO 261
April 1, 1973
ISO General Purpose Metric Screw Threads - General Plan
A description is not available for this item.

References

This document references:
ISO 724 - ISO general-purpose metric screw threads — Basic dimensions TECHNICAL CORRIGENDUM 1
Published by ISO on July 15, 2009
This International Standard specifies the basic dimensions, in millimetres, of IS0 metric screw threads in accordance with IS0 261. The values refer to the basic profile in accordance with IS0 68.
This document references:
262 - ISO general purpose metric screw threads — Selected sizes for bolts, screws, studs and nuts
Published by ISO on April 1, 2023
This document specifies the selected sizes for bolts, screws, studs and nuts in the diameter range from 1 mm to 100 mm of ISO general purpose metric screw threads (M) having the basic and design...
This document references:
ISO 965-1 - ISO general purpose metric screw threads - Tolerances - Part 1: Principles and basic data
Published by ISO on September 15, 2013
This part of ISO 965 specifies a tolerance system for ISO general purpose metric screw threads (M) according to ISO 261. The tolerance system refers to the basic profile according to ISO 68-1.
This document references:
262 - ISO general purpose metric screw threads — Selected sizes for bolts, screws, studs and nuts
Published by ISO on April 1, 2023
This document specifies the selected sizes for bolts, screws, studs and nuts in the diameter range from 1 mm to 100 mm of ISO general purpose metric screw threads (M) having the basic and design...
This document references:
ISO 5408 - Screw threads - Vocabulary
Published by ISO on June 15, 2009
This International Standard specifies the fundamental terms and definitions applicable to screw threads, in English and French. These terms are applicable to symmetrical threads and unsymmetrical...
This document references:
ISO 68-1 - ISO General Purpose Screw Threads - Basic Profile Part 1: Metric Screw Threads
Published by ISO on December 15, 1998
This part of ISO 68 specifies the basic profile for ISO general purpose metric screw threads (M).
This document references:
ISO 724 - ISO general-purpose metric screw threads — Basic dimensions TECHNICAL CORRIGENDUM 1
Published by ISO on July 15, 2009
This International Standard specifies the basic dimensions, in millimetres, of IS0 metric screw threads in accordance with IS0 261. The values refer to the basic profile in accordance with IS0 68.
This document references:
ISO 965-1 - ISO general purpose metric screw threads - Tolerances - Part 1: Principles and basic data
Published by ISO on September 15, 2013
This part of ISO 965 specifies a tolerance system for ISO general purpose metric screw threads (M) according to ISO 261. The tolerance system refers to the basic profile according to ISO 68-1.
This document is referenced by:
BS EN ISO 10511 - Prevailing torque type hexagon thin nuts (with non-metallic insert)
Published by BSI on January 31, 2013
A description is not available for this item.
This document is referenced by:
BS EN ISO 3506-3 - Mechanical properties of corrosion-resistant stainless steel fasteners Part 3: Set screws and similar fasteners not under tensile stress
Published by BSI on December 31, 2009
A description is not available for this item.
This document is referenced by:
BS EN ISO 7042 - Prevailing torque type all-metal hexagon high nuts - Property classes 5, 8, 10 and 12
Published by BSI on January 31, 2013
A description is not available for this item.
This document is referenced by:
ISO 2010 - Slotted raised countersunk head screws — Product grade A
Published by ISO on September 1, 2011
This International Standard specifies the characteristics of countersunk slotted raised head screws of product grade A and with threads from M1,6 to M10 inclusive. If, in special cases,...
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