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21.060.10 - Bolts, screws, studs

ICS 21.060.10 Details

Bolts, screws, studs

Schrauben. Bolzen. Gewindestifte

Boulons, vis, goujons

Sorniki, vijaki, stebelni vijaki

General Information

Parent
21.060 - Fasteners

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Standardization Organization
Technical Committee
Directive
Mandate
50
SIST
SIST EN ISO 7436:2024(Main)
Fasteners - Slotted set screws with cup point (ISO 7436:2024)
EN ISO 7436:2024

Specifies the characteristics of products with metric dimensions and thread sizes from M 1,6 up to and including M 12 and product grade A; includes specifications with reference to International Standards; tabulates thread sizes M 1,6 up to M 12 with nominal lengths from 2 mm up to 60 mm; gives an example for the designation.

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SIST
SIST EN ISO 7434:2024(Main)
Fasteners - Slotted set screws with cone point (ISO 7434:2024)
EN ISO 7434:2024

Specifies the characteristics of products with metric dimensions and thread sizes from M 1,2 up to and including M 12 and product grade A; includes specifications with reference to International Standards; tabulates thread sizes M 1,2 up to M 12 with nominal lengths from 2 mm up to 60mm; gives an example for the designation.

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SIST
SIST EN ISO 7435:2024(Main)
Fasteners - Slotted set screws with dog point (ISO 7435:2024)
EN ISO 7435:2024

Specifies the characteristics of products with metric dimensions and thread sizes from M 1,6 up to and including M 12 and product grade A; includes specifications with reference to International Standards; tabulates thread sizes M 1,6 up to M 12 with nominal lengths from 2 mm up to 60 mm; gives an example for the designation.

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SIST
SIST EN ISO 4766:2024(Main)
Fasteners - Slotted set screws with flat point (ISO 4766:2024)
EN ISO 4766:2024

ISO 4766:2011 specifies the characteristics of slotted set screws with flat point and thread sizes from M1,2 to M12 inclusive and product grade A.

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CEN
EN ISO 7434:2024(Main)
Fasteners - Slotted set screws with cone point (ISO 7434:2024)
SIST EN ISO 7434:2024

This document specifies the characteristics of slotted set screws with cone point, in steel and stainless steel, with metric coarse pitch threads M1,2 to M12, and with product grade A.
If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5 or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

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CEN
EN ISO 7436:2024(Main)
Fasteners - Slotted set screws with cup point (ISO 7436:2024)
SIST EN ISO 7436:2024

This document specifies the characteristics of slotted set screws with cup point, in steel and stainless steel, with metric coarse pitch threads M1,6 to M12 and with product grade A.
If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5, or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

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CEN
EN ISO 7435:2024(Main)
Fasteners - Slotted set screws with dog point (ISO 7435:2024)
SIST EN ISO 7435:2024

This document specifies the characteristics of slotted set screws with long dog point for regular standard lengths and with short dog point for short standard lengths, in steel and stainless steel, with metric coarse pitch threads M1,6 to M12 and with product grade A.
If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5 or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

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CEN
EN ISO 4766:2024(Main)
Fasteners - Slotted set screws with flat point (ISO 4766:2024)
SIST EN ISO 4766:2024

This document specifies the characteristics of slotted set screws with flat point, in steel and stainless steel, with metric coarse pitch threads M1,2 to M12, and with product grade A.
If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5 or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

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ISO
ISO 4766:2024(Main)
Fasteners — Slotted set screws with flat point

This document specifies the characteristics of slotted set screws with flat point, in steel and stainless steel, with metric coarse pitch threads M1,2 to M12, and with product grade A. If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5 or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

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ISO
ISO 7436:2024(Main)
Fasteners — Slotted set screws with cup point

This document specifies the characteristics of slotted set screws with cup point, in steel and stainless steel, with metric coarse pitch threads M1,6 to M12 and with product grade A. If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5, or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

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ISO
ISO 7434:2024(Main)
Fasteners — Slotted set screws with cone point

This document specifies the characteristics of slotted set screws with cone point, in steel and stainless steel, with metric coarse pitch threads M1,2 to M12, and with product grade A. If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5 or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

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ISO
ISO 7435:2024(Main)
Fasteners — Slotted set screws with dog point

This document specifies the characteristics of slotted set screws with long dog point for regular standard lengths and with short dog point for short standard lengths, in steel and stainless steel, with metric coarse pitch threads M1,6 to M12 and with product grade A. If in certain cases other specifications are requested, hardness classes and stainless steel grades can be selected from ISO 898-5 or ISO 3506-3, and dimensional options from ISO 888, ISO 965-1 or ISO 4753.

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CEN
EN ISO 8765:2022(Main)
Fasteners - Hexagon head bolts, with fine pitch thread - Product grades A and B (ISO 8765:2022)
SIST EN ISO 8765:2022

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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CEN
EN ISO 4015:2022(Main)
Fasteners - Hexagon head bolts with reduced shank (shank diameter ≈ pitch diameter) - Product grade B (ISO 4015:2022)
SIST EN ISO 4015:2022

This document specifies the characteristics of hexagon head bolts with reduced shank (shank diameter approximately equal to pitch diameter), in steel and stainless steel, with metric coarse pitch threads M3 to M20, and with product grade 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.
NOTE      For hexagon head bolts with full shank, see ISO 4014.

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CEN
EN ISO 4014:2022(Main)
Fasteners - Hexagon head bolts - Product grades A and B (ISO 4014:2022)
SIST EN ISO 4014:2022

This document specifies the characteristics of hexagon head bolts, in steel and stainless steel, with metric coarse pitch threads M1,6 to M64, 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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CEN
EN ISO 8676:2022(Main)
Fasteners - Hexagon head screws, with fine pitch thread - Product grades A and B (ISO 8676:2022)
SIST EN ISO 8676:2022

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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CEN
EN ISO 4016:2022(Main)
Fasteners - Hexagon head bolts - Product grade C (ISO 4016:2022)
SIST EN ISO 4016:2022

This document specifies the characteristics of hexagon head bolts, in steel, with metric coarse pitch threads M5 to M64, and with product grade C.
If in certain cases other specifications are requested, property classes can be selected from ISO 898-1 and dimensional options from ISO 888 or ISO 4753.

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CEN
EN ISO 4017:2022(Main)
Fasteners - Hexagon head screws - Product grades A and B (ISO 4017:2022)
SIST EN ISO 4017:2022

This document specifies the characteristics of hexagon head screws, in steel and stainless steel, with metric coarse pitch threads M1,6 to M64, 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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CEN
EN ISO 4018:2022(Main)
Fasteners - Hexagon head screws - Product grade C (ISO 4018:2022)
SIST EN ISO 4018:2022

This document specifies the characteristics of hexagon head screws, in steel, with metric coarse pitch threads M5 to M64, and with product grade C.
If in certain cases other specifications are requested, property classes can be selected from ISO 898-1, and dimensional options from ISO 888 or ISO 4753.

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SIST
SIST EN ISO 2702:2023(Main)
Fasteners - Heat treated tapping screws - Mechanical and physical properties (ISO 2702:2022)
EN ISO 2702:2022

This document specifies the mechanical and physical properties of heat treated tapping screws made of steel, with thread sizes ST2,2 to ST9,5 in accordance with ISO 1478, when tested at the ambient temperature range of 10 °C to 35 °C, and the related test methods.
Tapping screws are designed to form mating threads in sheet metals, without their own threads being deformed. Tapping screws are not intended to be pretensioned by design, even though they can experience varying degrees of low-level tensile stress after installation.

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SIST
SIST EN ISO 14581:2023(Main)
Fasteners - Hexalobular socket countersunk flat head screws (common head style) with reduced loadability (ISO 14581:2022)
EN ISO 14581:2023

This document specifies the characteristics of hexalobular socket countersunk flat head screws with reduced loadability due to head design, in steel and stainless steel, with metric coarse pitch threads M2 to M10, and with product grade A.
If in certain cases other specifications are requested, stainless steel grades can be selected from ISO 3506‑1, and dimensional options from ISO 888 or ISO 4753.
NOTE 1   The reduced loadability (related to the countersunk head dimensions in combination with penetration of the hexalobular socket specified in this document) implies a limitation of ultimate tensile load shown by a specific marking (property class preceded by a zero). The loadability in the head is assumed to be 80 % of that in the thread for all sizes and all property classes; see Table 3.
NOTE 2   Hexalobular socket countersunk head screws (high head), with full loadability are specified in ISO 14582, but these products are not interchangeable, because of different head heights.
NOTE 3   Particular attention is needed to ensure alignment of the countersunk head with the bearing surface of the countersink in the assembly.

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SIST
SIST EN ISO 7380-1:2023(Main)
Fasteners - Button head screws with reduced loadability - Part 1: Hexagon socket button head screws (ISO 7380-1:2022)
EN ISO 7380-1:2023

This document specifies the characteristics of hexagon socket button head screws with reduced loadability due to head design, in steel and stainless steel, with metric coarse pitch threads M3 to M16, and with product grade A.
If, in certain cases, other specifications are requested, stainless steel grades can be selected from ISO 3506-1, and the dimensional options from ISO 888 or ISO 4753.
NOTE      The reduced loadability (related to the head dimensions in combination with penetration of the hexagon socket specified in this document) implies a limitation of ultimate tensile load shown by a specific marking (property class preceded by a zero). The loadability in the head is assumed to be 80 % of that in the thread for all sizes and all property classes, see Table 4.

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SIST
SIST EN ISO 7380-2:2023(Main)
Fasteners - Button head screws with reduced loadability - Part 2: Hexagon socket button head screws with collar (ISO 7380-2:2022)
EN ISO 7380-2:2023

This document specifies the characteristics of hexagon socket button head screws with collar, with reduced loadability due to head design, in steel, with metric coarse pitch threads M3 to M16, and with product grade A.
If in certain cases other specifications are requested, dimensional options can be selected from ISO 888 or ISO 4753.
NOTE      The reduced loadability (related to the head dimensions in combination with penetration of the hexagon socket specified in this document) implies a limitation of ultimate tensile load shown by a specific marking (property class preceded by a zero). The loadability in the head is assumed to be 80 % of that in the thread for all sizes and all property classes, see Table 4.

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CEN
EN ISO 7380-1:2023(Main)
Fasteners - Button head screws with reduced loadability - Part 1: Hexagon socket button head screws (ISO 7380-1:2022)
SIST EN ISO 7380-1:2023

This document specifies the characteristics of hexagon socket button head screws with reduced loadability due to head design, in steel and stainless steel, with metric coarse pitch threads M3 to M16, and with product grade A.
If, in certain cases, other specifications are requested, stainless steel grades can be selected from ISO 3506-1, and the dimensional options from ISO 888 or ISO 4753.
NOTE      The reduced loadability (related to the head dimensions in combination with penetration of the hexagon socket specified in this document) implies a limitation of ultimate tensile load shown by a specific marking (property class preceded by a zero). The loadability in the head is assumed to be 80 % of that in the thread for all sizes and all property classes, see Table 4.

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CEN
EN ISO 7380-2:2023(Main)
Fasteners - Button head screws with reduced loadability - Part 2: Hexagon socket button head screws with collar (ISO 7380-2:2022)
SIST EN ISO 7380-2:2023

This document specifies the characteristics of hexagon socket button head screws with collar, with reduced loadability due to head design, in steel, with metric coarse pitch threads M3 to M16, and with product grade A.
If in certain cases other specifications are requested, dimensional options can be selected from ISO 888 or ISO 4753.
NOTE      The reduced loadability (related to the head dimensions in combination with penetration of the hexagon socket specified in this document) implies a limitation of ultimate tensile load shown by a specific marking (property class preceded by a zero). The loadability in the head is assumed to be 80 % of that in the thread for all sizes and all property classes, see Table 4.

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CEN
EN ISO 14581:2023(Main)
Fasteners - Hexalobular socket countersunk flat head screws (common head style) with reduced loadability (ISO 14581:2022)
SIST EN ISO 14581:2023

This document specifies the characteristics of hexalobular socket countersunk flat head screws with reduced loadability due to head design, in steel and stainless steel, with metric coarse pitch threads M2 to M10, and with product grade A.
If in certain cases other specifications are requested, stainless steel grades can be selected from ISO 3506‑1, and dimensional options from ISO 888 or ISO 4753.
NOTE 1   The reduced loadability (related to the countersunk head dimensions in combination with penetration of the hexalobular socket specified in this document) implies a limitation of ultimate tensile load shown by a specific marking (property class preceded by a zero). The loadability in the head is assumed to be 80 % of that in the thread for all sizes and all property classes; see Table 3.
NOTE 2   Hexalobular socket countersunk head screws (high head), with full loadability are specified in ISO 14582, but these products are not interchangeable, because of different head heights.
NOTE 3   Particular attention is needed to ensure alignment of the countersunk head with the bearing surface of the countersink in the assembly.

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CEN
EN ISO 2702:2022(Main)
Fasteners - Heat treated tapping screws - Mechanical and physical properties (ISO 2702:2022)
SIST EN ISO 2702:2023

This document specifies the mechanical and physical properties of heat treated tapping screws made of steel, with thread sizes ST2,2 to ST9,5 in accordance with ISO 1478, when tested at the ambient temperature range of 10 °C to 35 °C, and the related test methods.
Tapping screws are designed to form mating threads in sheet metals, without their own threads being deformed. Tapping screws are not intended to be pretensioned by design, even though they can experience varying degrees of low-level tensile stress after installation.

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ISO
ISO 7380-1:2022(Main)
Fasteners — Button head screws with reduced loadability — Part 1: Hexagon socket button head screws

This document specifies the characteristics of hexagon socket button head screws with reduced loadability due to head design, in steel and stainless steel, with metric coarse pitch threads M3 to M16, and with product grade A. If, in certain cases, other specifications are requested, stainless steel grades can be selected from ISO 3506-1, and the dimensional options from ISO 888 or ISO 4753. NOTE The reduced loadability (related to the head dimensions in combination with penetration of the hexagon socket specified in this document) implies a limitation of ultimate tensile load shown by a specific marking (property class preceded by a zero). The loadability in the head is assumed to be 80 % of that in the thread for all sizes and all property classes, see Table 4.

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ISO
ISO 14581:2022(Main)
Fasteners — Hexalobular socket countersunk flat head screws (common head style) with reduced loadability

This document specifies the characteristics of hexalobular socket countersunk flat head screws with reduced loadability due to head design, in steel and stainless steel, with metric coarse pitch threads M2 to M10, and with product grade A. If in certain cases other specifications are requested, stainless steel grades can be selected from ISO 3506‑1, and dimensional options from ISO 888 or ISO 4753. NOTE 1 The reduced loadability (related to the countersunk head dimensions in combination with penetration of the hexalobular socket specified in this document) implies a limitation of ultimate tensile load shown by a specific marking (property class preceded by a zero). The loadability in the head is assumed to be 80 % of that in the thread for all sizes and all property classes; see Table 3. NOTE 2 Hexalobular socket countersunk head screws (high head), with full loadability are specified in ISO 14582, but these products are not interchangeable, because of different head heights. NOTE 3 Particular attention is needed to ensure alignment of the countersunk head with the bearing surface of the countersink in the assembly.

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ISO
ISO 7380-2:2022(Main)
Fasteners — Button head screws with reduced loadability — Part 2: Hexagon socket button head screws with collar

This document specifies the characteristics of hexagon socket button head screws with collar, with reduced loadability due to head design, in steel, with metric coarse pitch threads M3 to M16, and with product grade A. If in certain cases other specifications are requested, dimensional options can be selected from ISO 888 or ISO 4753. NOTE The reduced loadability (related to the head dimensions in combination with penetration of the hexagon socket specified in this document) implies a limitation of ultimate tensile load shown by a specific marking (property class preceded by a zero). The loadability in the head is assumed to be 80 % of that in the thread for all sizes and all property classes, see Table 4.

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ISO
ISO 2702:2022(Main)
Fasteners — Heat treated tapping screws — Mechanical and physical properties

This document specifies the mechanical and physical properties of heat treated tapping screws made of steel, with thread sizes ST2,2 to ST9,5 in accordance with ISO 1478, when tested at the ambient temperature range of 10 °C to 35 °C, and the related test methods. Tapping screws are designed to form mating threads in sheet metals, without their own threads being deformed. Tapping screws are not intended to be pretensioned by design, even though they can experience varying degrees of low-level tensile stress after installation.

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SIST
SIST EN 1515-4:2021/AC:2022(Corrigendum)
Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 2014/68/EU
EN 1515-4:2021/AC:2022

This document is applicable to the selection of bolting for flanged joints on equipment subject to the Pressure Equipment Directive 2014/68/EU.
It specifies standards and additional requirements for dimensions, material properties and technical conditions of delivery for bolting.
NOTE 1   Washers are not within the scope of this document.
The selection is based on commonly used bolting. It covers common temperature ranges of the general service of flanges.
When selecting bolting according to this document it is essential to take into account environmental conditions and other parameters including type of fluids, corrosion hazards, sour service, low temperature brittle failure and relaxation at elevated temperatures.
The purpose of this document is to provide a selection of most commonly used bolting types and bolting material combinations.
It is not the intention to specify all possible applications but to give guidance on the most common applications. For example, application limits for material in the creep range are not explicitly covered in this document. Where material standard provides mechanical properties for the creep range respective reference is made in Table 3.
NOTE 2   Special services and ambient conditions may require the application of coatings. It is the purchaser’s option to decide on this. Depending on the coating used, a verification of the temperature ranges given in Table 3 and Table 4 may be required.
NOTE 3   In Annex B there are bolting types and bolting material combinations according to commonly used national standards other than those listed in Table 2, Table 3 and Table 4.

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SIST
SIST EN ISO 4014:2022(Main)
Fasteners - Hexagon head bolts - Product grades A and B (ISO 4014:2022)
EN ISO 4014:2022

This document specifies the characteristics of hexagon head bolts, in steel and stainless steel, with
metric coarse pitch threads M1,6 to M64, 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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SIST
SIST EN ISO 4015:2022(Main)
Fasteners - Hexagon head bolts with reduced shank (shank diameter ≈ pitch diameter) - Product grade B (ISO 4015:2022)
EN ISO 4015:2022

This document specifies the characteristics of hexagon head bolts with reduced shank (shank diameter
approximately equal to pitch diameter), in steel and stainless steel, with metric coarse pitch threads
M3 to M20, and with product grade 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.
NOTE For hexagon head bolts with full shank, see ISO 4014.

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SIST
SIST EN ISO 4017:2022(Main)
Fasteners - Hexagon head screws - Product grades A and B (ISO 4017:2022)
EN ISO 4017:2022

This document specifies the characteristics of hexagon head screws, in steel and stainless steel, with
metric coarse pitch threads M1,6 to M64, 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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SIST
SIST EN ISO 8765:2022(Main)
Fasteners - Hexagon head bolts, with fine pitch thread - Product grades A and B (ISO 8765:2022)
EN ISO 8765:2022

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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SIST
SIST EN ISO 4016:2022(Main)
Fasteners - Hexagon head bolts - Product grade C (ISO 4016:2022)
EN ISO 4016:2022

This document specifies the characteristics of hexagon head bolts, in steel, with metric coarse pitch
threads M5 to M64, and with product grade C.
If in certain cases other specifications are requested, property classes can be selected from ISO 898-1
and dimensional options from ISO 888 or ISO 4753.

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SIST
SIST EN ISO 8676:2022(Main)
Fasteners - Hexagon head screws, with fine pitch thread - Product grades A and B (ISO 8676:2022)
EN ISO 8676:2022

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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SIST
SIST EN ISO 4018:2022(Main)
Fasteners - Hexagon head screws - Product grade C (ISO 4018:2022)
EN ISO 4018:2022

This document specifies the characteristics of hexagon head screws, in steel, with metric coarse pitch
threads M5 to M64, and with product grade C.
If in certain cases other specifications are requested, property classes can be selected from ISO 898-1,
and dimensional options from ISO 888 or ISO 4753.

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CEN
EN 1515-4:2021/AC:2022(Corrigendum)
Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 2014/68/EU
SIST EN 1515-4:2021/AC:2022

This document is applicable to the selection of bolting for flanged joints on equipment subject to the Pressure Equipment Directive 2014/68/EU.
It specifies standards and additional requirements for dimensions, material properties and technical conditions of delivery for bolting.
NOTE 1   Washers are not within the scope of this document.
The selection is based on commonly used bolting. It covers common temperature ranges of the general service of flanges.
When selecting bolting according to this document it is essential to take into account environmental conditions and other parameters including type of fluids, corrosion hazards, sour service, low temperature brittle failure and relaxation at elevated temperatures.
The purpose of this document is to provide a selection of most commonly used bolting types and bolting material combinations.
It is not the intention to specify all possible applications but to give guidance on the most common applications. For example, application limits for material in the creep range are not explicitly covered in this document. Where material standard provides mechanical properties for the creep range respective reference is made in Table 3.
NOTE 2   Special services and ambient conditions may require the application of coatings. It is the purchaser’s option to decide on this. Depending on the coating used, a verification of the temperature ranges given in Table 3 and Table 4 may be required.
NOTE 3   In Annex B there are bolting types and bolting material combinations according to commonly used national standards other than those listed in Table 2, Table 3 and Table 4.

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ISO
ISO 4014:2022(Main)
Fasteners — Hexagon head bolts — Product grades A and B

This document specifies the characteristics of hexagon head bolts, in steel and stainless steel, with metric coarse pitch threads M1,6 to M64, 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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ISO
ISO 4015:2022(Main)
Fasteners — Hexagon head bolts with reduced shank (shank diameter ≈ pitch diameter) — Product grade B

This document specifies the characteristics of hexagon head bolts with reduced shank (shank diameter approximately equal to pitch diameter), in steel and stainless steel, with metric coarse pitch threads M3 to M20, and with product grade 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. NOTE For hexagon head bolts with full shank, see ISO 4014.

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ISO
ISO 8765:2022(Main)
Fasteners — Hexagon head bolts, with fine pitch thread — Product grades A and B

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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ISO
ISO 4016:2022(Main)
Fasteners — Hexagon head bolts — Product grade C

This document specifies the characteristics of hexagon head bolts, in steel, with metric coarse pitch threads M5 to M64, and with product grade C. If in certain cases other specifications are requested, property classes can be selected from ISO 898-1 and dimensional options from ISO 888 or ISO 4753.

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ISO
ISO 4017:2022(Main)
Fasteners — Hexagon head screws — Product grades A and B

This document specifies the characteristics of hexagon head screws, in steel and stainless steel, with metric coarse pitch threads M1,6 to M64, 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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ISO
ISO 8676:2022(Main)
Fasteners — Hexagon head screws, with fine pitch thread — Product grades A and B

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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ISO
ISO 4018:2022(Main)
Fasteners — Hexagon head screws — Product grade C

This document specifies the characteristics of hexagon head screws, in steel, with metric coarse pitch threads M5 to M64, and with product grade C. If in certain cases other specifications are requested, property classes can be selected from ISO 898-1, and dimensional options from ISO 888 or ISO 4753.

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CEN
EN ISO 13918:2018/A1:2021(Amendment)
Welding - Studs and ceramic ferrules for arc stud welding - Amendment 1 (ISO 13918:2017/Amd 1:2021)
SIST EN ISO 13918:2018/A1:2021
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SIST
SIST EN ISO 13918:2018/A1:2021(Amendment)
Welding - Studs and ceramic ferrules for arc stud welding - Amendment 1 (ISO 13918:2017/Amd 1:2021)
EN ISO 13918:2018/A1:2021
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CEN
EN 1515-4:2021(Main)
Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 2014/68/EU
SIST EN 1515-4:2021

This document is applicable to the selection of bolting for flanged joints on equipment subject to the Pressure Equipment Directive 2014/68/EU.
It specifies standards and additional requirements for dimensions, material properties and technical conditions of delivery for bolting.
NOTE 1   Washers are not within the scope of this document.
The selection is based on commonly used bolting. It covers common temperature ranges of the general service of flanges.
When selecting bolting according to this document it is essential to take into account environmental conditions and other parameters including type of fluids, corrosion hazards, sour service, low temperature brittle failure and relaxation at elevated temperatures.
The purpose of this document is to provide a selection of most commonly used bolting types and bolting material combinations.
It is not the intention to specify all possible applications but to give guidance on the most common applications. For example, application limits for material in the creep range are not explicitly covered in this document. Where material standard provides mechanical properties for the creep range respective reference is made in Table 3.
NOTE 2   Special services and ambient conditions may require the application of coatings. It is the purchaser’s option to decide on this. Depending on the coating used, a verification of the temperature ranges given in Table 3 and Table 4 may be required.
NOTE 3   In Annex B there are bolting types and bolting material combinations according to commonly used national standards other than those listed in Table 2, Table 3 and Table 4.

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