21.040.10 - Metric screw threads
ICS 21.040.10 Details
Metric screw threads
Metrische Gewinde
Filetages métriques
Metrski navoji
General Information
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This document specifies the basic and design profiles for ISO general purpose metric screw threads (M). This document is applicable to the metric fastening screw threads.
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This document specifies the characteristics of hexagon regular nuts (style 1), in steel and stainless steel, with metric fine pitch thread 8 mm to 39 mm, and with product grades A and B.
NOTE For nuts with sizes D > 39 mm, see Annex A.
If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-2 or ISO 3506-2.
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This document specifies the characteristics of hexagon thin nuts (style 0), in steel and stainless steel, with metric fine pitch thread 8 mm to 64 mm, and with product grades A and B.
Thin nuts used as jam nuts are to be assembled together with a regular or high nut.
WARNING — Thin nuts (style 0) have a reduced loadability compared to regular nuts or high nuts, and are not designed to provide resistance to thread stripping (see ISO 898-2).
If in certain cases other specifications are requested, stainless steel grades and property classes can be selected from ISO 3506-2.
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This document specifies the characteristics of hexagon high nuts (style 2), in steel and stainless steel, with metric fine pitch thread 8 mm to 39 mm, and with product grades A and B.
If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-2 or ISO 3506-2.
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This document specifies the basic dimensions of ISO general purpose metric screw threads according to ISO 261. The values refer to the design profiles according to ISO 68-1. This document is applicable to the metric fastening screw threads.
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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 profiles according to ISO 68-1. These sizes of diameter and pitch combinations are selected from ISO 261. This document is applicable to the metric commercial fastener screw threads.
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This document specifies the characteristics of hexagon head bolts, in steel and stainless steel, with
metric fine pitch threads M8×1 to M64×4, and with product grades A and B.
If in certain cases other specifications are requested, property classes and stainless steel grades can be
selected from ISO 898-1 or ISO 3506-1, and dimensional options from ISO 888 or ISO 4753
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This document specifies the characteristics of hexagon head screws, in steel and stainless steel, with
metric fine pitch threads M8×1 to M64×4, and with product grades A and B.
If in certain cases other specifications are requested, property classes and stainless steel grades can be
selected from ISO 898-1 or ISO 3506-1, and dimensional options from ISO 888 or ISO 4753.
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This document specifies limit deviations for pitch and crest diameters for ISO general purpose metric screw threads (M) conforming to ISO 261 having basic profile in accordance with ISO 68-1. The limit deviations specified are derived from the fundamental deviations and tolerances specified in ISO 965-1. This document is applicable to ISO general purpose metric screw threads with the recommended tolerance classes.
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This document specifies limit deviations and limits of sizes for the pitch and crest diameters of the hot-dip galvanized metric external screw threads conforming to the coarse thread series of ISO 262 (from M8 to M64) having a basic profile according to ISO 68-1. This document is applicable to the hot-dip galvanized metric external screw threads to mate with the internal screw threads tapped with tolerance position H or G after galvanizing.
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This document specifies the basic dimensions of ISO metric trapezoidal screw threads in accordance with ISO 2902. The values refer to the design profiles in accordance with ISO 2901. This document is chiefly applicable to traversing threads for traversing motion on machines, tools, etc. It can also be used for fastening threads.
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ISO 11381:2016 specifies requirements for ISO metric screw threads for use with spectacle frames. Provision is made for screw threads of the following nominal sizes: S0,8 × 0,2; M1,0 × 0,25; M1,2 × 0,25; M1,4 × 0,3; M1,6 × 0,35 and M2,0 × 0,4 and for related taps and gauges.
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This International Standard specifies requirements for ISO metric screw threads for use with spectacle
frames. Provision is made for screw threads of the following nominal sizes: S0,8 × 0,2; M1,0 × 0,25;
M1,2 × 0,25; M1,4 × 0,3; M1,6 × 0,35 and M2,0 × 0,4 and for related taps and gauges.
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ISO 2901:2016 specifies the basic and design profiles of ISO metric trapezoidal screw threads. ISO 2901:2016 is chiefly applicable to traversing threads for traversing motion on machines, tools, etc. It can also be used for fastening threads.
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ISO 2902:2016 specifies a series of diameter and pitch combinations for ISO metric trapezoidal screw threads having the basic and design profiles according to ISO 2901. ISO 2902:2016 is chiefly applicable to traversing threads for traversing motion on machines, tools, etc. It can also be used for fastening threads.
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ISO 2903:2016 specifies a tolerance system for metric trapezoidal screw threads in accordance with ISO 2902. The tolerances refer to the design profile in accordance with ISO 2901. The tolerance system does not apply to trapezoidal screw threads with special requirements on axial displacement, for example, machine tool lead and feed screws and nuts.
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ISO 965-1:2013 specifies a tolerance system for ISO general purpose metric screw threads (M) conforming to ISO 261. The tolerance system refers to the basic profile according to ISO 68-1.
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This International Standard specifies the characteristics of prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread with nominal thread diameters, D, from 8 mm up to and including 36 mm, in product grade A for sizes D up to and including 16 mm and product grade B for sizes D above 16 mm, and with property classes 6, 8 and 10. If other specifications are required, they can be selected from existing International Standards, for example ISO 261, ISO 724, ISO 898-2, ISO 965-2, ISO 2320 and ISO 4759-1.
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This International Standard specifies the characteristics of prevailing torque type all-metal hexagon high nuts with metric fine pitch thread, with nominal thread diameters, D, from 8 mm up to and including 36 mm, in product grade A for sizes D up to and including 16 mm and product grade B for sizes D above 16 mm, and with property classes 8, 10 and 12.
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ISO 4753:2011 specifies the form and dimensions of ends of parts with external ISO metric screw thread (e.g. bolt, screw and stud ends) recommended for use. They apply to standardized or non-standardized threaded parts.
For each end type, a symbol is specified and it is intended that these symbols be used when specifying one of the ends for threaded fasteners.
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This International Standard specifies the characteristics of hexagon socket head cap screws with metric fine pitch thread with nominal thread diameters, d, from 8 mm up to 36 mm and product grade A. For approximate masses of screws, see Annex A.
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This International Standard specifies the form and dimensions of ends of parts with external ISO metric screw thread (e.g. bolt, screw and stud ends) recommended for use. They apply to standardized or non-standardized threaded parts. For each end type, a symbol is specified and it is intended that these symbols be used when specifying one of the ends for threaded fasteners.
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TC - Modification to Figure 2
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This European Standard specifies the characteristics of hexagon bolts with flange with metric fine pitch thread, small series, with product grade A, with nominal thread diameters from 8 mm up to and including 16 mm and property classes 8.8, 9.8, 10.9, 12.9 and A2-70.
If, in special cases, specifications other than those listed in this European Standard are required, they shall be selected from existing European and International Standards, for example ISO 261 ISO 724, ISO 888, EN ISO 898-1, ISO 965-2, EN ISO 3506-1.
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Is valid for the short taps specified in ISO 529 as well as for any other kind of ground thread taps with the same diameters and pitches. The internal threads produced with those taps are conventionally designated by the simplified denomination of "nut" in agreement with the word used in ISO 965 for the general designation of all internal threads.
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This European Standard specifies the characteristics of prevailing torque type hexagon nuts with flange, with non-metallic annular insert and metric fine pitchthread with nominal thread diameters from 8 up to and including 20 mm, in product grade A for sizes d up to and including 16 mm and product grade B for sizes d > 16 mm and property classes 6, 8 and 10.
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This European Standard specifies the characteristics of prevailing torque type all metal hexagon nuts with flange and metric fine pitch thread with nominal thread diameters from 8 up to and including 20 mm, in product grade A for sizes d up to and including 16 mm and product grade B for sizes d > 16 mm and propertyclasses 6, 8 and 10.
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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.
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This part of ISO 965 specifies deviations and limits of sizes for pitch and crest diameters for ISO general purpose metric internal screw threads conforming to ISO 262 having basic profile according to ISO 68-1. Internal screw threads according to this part of ISO 965 are intended to mate with external screw threads with maximum size of tolerance position h before hot-dip galvanizing. The limits of sizes for the tolerance quality specified are derived from tolerances specified in ISO 965-1. The fundamental deviations for internal screw threads with a tolerance position AZ have been calculated according to the following formula: EIAZ = + (300 + 20P) Where EI is expressed in micrometers. P is expressed in millimeters. The fundamental deviations for internal screw threads with a tolerance position AX have been calculated according to the following formula: EIAX = + (220P - 20) Where EI is expressed in micrometers; P is expressed in millimeters. Products made with thread tolerances according to this part of ISO 965 may show load failure when tested in accordance with ISO 898-2 without adjustment of the other mechanical properties. Internal screw threads with thread tolerances according to this part of ISO 965 must not be mated with external screw threads having thread tolerances according to ISO 965-4 because such combinations will create severe risk of thread stripping. NOTE Internal screw threads with tolerance class 6AZ are primarily intended to mate with external screw threads centrifuged after hot-dip galvanizing. Internal screw threads with tolerance class 6AX are primarily intended to mate with hot-dip galvanized external screw threads with heavy coating not centrifuged.
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Gives details for the manufacture and use of gauges for checking ISO general purpose metric screw threads. Specifies the features of gauges which are recommended for checking external and internal screw threads of workpieces. Provides means of distinguishing between threads that comply with the limits of size and those that do not.
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Lays down the form and dimensions of undercuts for bolts, screws and similar externally threaded products, recommended for use in those cases where it is needed for components such as plugs.
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Specifies for fully threaded screws with machined, or rolled threads pitches of the thread ranging from 0,2 mm to 6 mm and thread diameters (coarse thread) ranging from 1 mm to 68 mm; it does not apply to those threaded fasteners where special requirements are laid down in the product standards.
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Gives details for the manufacture and use of gauges for checking ISO general purpose metric screw threads. Specifies the features of gauges which are recommended for checking external and internal screw threads of workpieces. Provides means of distinguishing between threads that comply with the limits of size and those that do not.
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ISO 10513:2012 specifies the characteristics of prevailing torque type all-metal hexagon high nuts with metric fine pitch thread with nominal thread diameters, D, from 8 mm up to and including 36 mm, in product grade A for diameter sizes up to and including 16 mm and product grade B for diameter sizes above 16 mm, and with property classes 8, 10 and 12.
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ISO 10512:2012 specifies the characteristics of prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread with nominal thread diameters, D, from 8 mm up to and including 36 mm, in product grade A for diamter sizes up to and including 16 mm and product grade B for diameter sizes above 16 mm, and with property classes 6, 8 and 10.
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2017-11-17: Project cancelled in ISO/CS (see dataservice on 2017-11-16).
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2017-11-17: Project cancelled in ISO/CS (see dataservice on 2017-11-16).
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2017-11-17: Project cancelled in ISO/CS (see dataservice on 2017-11-16).
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2017-11-17: Project cancelled in ISO/CS (see dataservice on 2017-11-16).
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2017-11-17: Project cancelled in ISO/CS (see dataservice on 2017-11-16).
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This part of ISO 68 specifies the basic profile for ISO general purpose metric screw threads (M).
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Specifies the basic dimensions of metric threads in accordance with ISO 261. The basic dimensions are: basic major diameter of internal or external thread (nominal diameter), basic pitch diameter of internal or external thread, basic minor diameter of internal or external thread, height of fundamental triangle, pitch. The values refer to the basic profile in accordance with ISO 68.
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This International Standard specifies the characteristics of hexagon high nuts (style 2) with metric fine pitch thread, with nominal thread diameters, D, from 8 mm up to and including 36 mm, with product grade A for sizes D ≤ 16 mm and product grade B for sizes D > 16 mm. If, in special cases, specifications other than those listed in this International Standard are required, they can be selected from existing International Standards, for example ISO 724, ISO 898-2, ISO 965-1 and ISO 4759-1.
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