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21.060.30 - Washers, locking elements

ICS 21.060.30 Details

Washers, locking elements

Unterlegscheiben. Sicherungselemente

Rondelles, éléments de blocage

Podložke, varovalni elementi

General Information

Parent
21.060 - Fasteners

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Standardization Organization
Technical Committee
Directive
Mandate
50
SIST
SIST EN ISO 898-3:2018/A1:2021(Amendment)
Mechanical properties of fasteners made of carbon steel and alloy steel - Part 3: Flat washers with specified property classes - Amendment 1 (ISO 898-3:2018/Amd 1:2020)
EN ISO 898-3:2018/A1:2021
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ISO
ISO 898-3:2018/Amd 1:2020(Amendment)
Mechanical properties of fasteners made of carbon steel and alloy steel — Part 3: Flat washers with specified property classes — Amendment 1
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SIST
SIST EN 2414:2019(Main)
Aerospace series - Washers, chamfered, with counterbore, in alloy steel, cadmium plated
EN 2414:2019

This document specifies the characteristics of chamfered washers, with counterbore, in alloy steel, cadmium plated, for maximum operating temperature 235 °C.

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SIST
SIST EN ISO 898-3:2018(Main)
Mechanical properties of fasteners made of carbon steel and alloy steel - Part 3: Flat washers with specified property classes (ISO 898-3:2018)
EN ISO 898-3:2018

This part of ISO 898 specifies mechanical and physical properties of flat washers, designed to be used in bolted joints in combination with bolts, screws, studs and nuts with a specified property class in accordance with ISO 898-1 and ISO 898-2.
Washers that conform to the requirements of this part of ISO 898 are evaluated at an ambient temperature range of 10 °C to 35 °C. These washers are used in applications at low or high temperatures up to a maximum temperature of + 300 °C.
This part of ISO 898 is applicable to the following flat captive and non-captive washers made of carbon steel, alloy steel, spring or alloy spring steel, with thickness from 0,2 mm to 12 mm:
- plain washers (with or without knurls/chamfers);
- square washers;
- square hole washers;
- shaped plates.
It does not specify requirements for such properties as:
- corrosion resistance;
- weldability.

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ISO
ISO 898-3:2018(Main)
Mechanical properties of fasteners made of carbon steel and alloy steel — Part 3: Flat washers with specified property classes

This document specifies mechanical and physical properties of flat washers, designed to be used in bolted joints in combination with bolts, screws, studs and nuts with a specified property class in accordance with ISO 898‑1 and ISO 898‑2. NOTE 1 These types of washers can also be used with other fasteners such as screws forming their own mating thread. Washers that conform to the requirements of this document are evaluated at an ambient temperature range of 10 °C to 35 °C. They might not retain the specified mechanical and physical properties at elevated temperatures and/or lower temperatures. NOTE 2 Washers conforming to the requirements of this document are used in applications ranging from −50 °C to +150 °C. Users are advised to consult an experienced fastener expert for temperatures outside this range and up to a maximum temperature of +300 °C when determining appropriate choices, or for critical applications. This document is applicable to the following flat captive and non-captive washers made of carbon steel or alloy steel, with thickness from 0,2 mm to 12 mm: — plain washers (with or without knurls, ribs or chamfers); — square washers; — square hole washers; — shaped plates. It does not specify requirements for the following properties: — corrosion resistance; — weldability.

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CEN
EN ISO 4759-3:2016(Main)
Tolerances for fasteners - Part 3: Washers for bolts, screws and nuts - Product grades A, C and F (ISO 4759-3:2016)
SIST EN ISO 4759-3:2016

ISO 4759-3:2016 specifies tolerances for flat washers of product grades A, C and F with nominal diameters of 1 mm to 150 mm inclusive, designed to be used in bolted joints in combination with bolts, screws, studs and nuts.
This part of ISO 4759 may be applied to non-flat washers however it does not include all the tolerances related to these washers.
It applies to non-captive and captive washers, and to standard and non-standard washers.
It does not apply to dynamic disc springs.
Washers of product grades F and A are intended to be used with bolts, screws, studs and nuts of product grades A and B; washers of product grade C are intended to be used with bolts, screws, studs and nuts of product grade C.
NOTE          The product grade refers to a specific tolerance range related to dimensional and geometrical characteristics (product grade F for fine tolerances, product grade A for precise tolerances, product grade C for large tolerances).
Annex A presents tolerances taken from ISO 286‑1 and ISO 286‑2.

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CEN
EN 14399-5:2015(Main)
High-strength structural bolting assemblies for preloading - Part 5: Plain washers
SIST EN 14399-5:2015

This European Standard specifies, together with EN 14399 1 and EN 14399 2, hardened and tempered plain washers intended for bolting assemblies with large series hexagon high-strength structural bolts and nuts with threads from M12 to M36 inclusive. Washers according to this standard can be applied under the nut only.
Washers according to this standard are not intended to be used in direct contact with oversized or slotted holes.
NOTE   Attention is drawn to the importance of ensuring that the washers are correctly used if satisfactory results are to be obtained. For recommendations concerning proper application, reference to EN 1090-2 is made.

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CEN
EN 14399-6:2015(Main)
High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers
SIST EN 14399-6:2015

This European Standard specifies, together with EN 14399 1 and EN 14399 2, hardened and tempered chamfered plain washers with chamfer intended for bolting assemblies with large series hexagon high-strength structural bolts and nuts with thread sizes from M12 to M36 inclusive.
Washers according to this standard are not intended to be used in direct contact with oversized or slotted holes.
NOTE   Attention is drawn to the importance of ensuring that the washers are correctly used if satisfactory results are to be obtained. For recommendations concerning proper application, reference to EN 1090–2 is made.

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SIST
SIST EN ISO 4759-3:2016(Main)
Tolerances for fasteners - Part 3: Washers for bolts, screws and nuts - Product grades A, C and F (ISO 4759-3:2016)
EN ISO 4759-3:2016

This part of ISO 4759 specifies tolerances for flat washers of product grades A, C and F with nominal
diameters of 1 mm to 150 mm inclusive, designed to be used in bolted joints in combination with bolts,
screws, studs and nuts.
This part of ISO 4759 may be applied to non-flat washers however it does not include all the tolerances
related to these washers.
It applies to non-captive and captive washers, and to standard and non-standard washers.
It does not apply to dynamic disc springs.
Washers of product grades F and A are intended to be used with bolts, screws, studs and nuts of product
grades A and B; washers of product grade C are intended to be used with bolts, screws, studs and nuts
of product grade C.
NOTE The product grade refers to a specific tolerance range related to dimensional and geometrical
characteristics (product grade F for fine tolerances, product grade A for precise tolerances, product grade C for
large tolerances).
Annex A presents tolerances taken from ISO 286-1 and ISO 286-2.

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ISO
ISO 4759-3:2016(Main)
Tolerances for fasteners — Part 3: Washers for bolts, screws and nuts — Product grades A, C and F

ISO 4759-3:2016 specifies tolerances for flat washers of product grades A, C and F with nominal diameters of 1 mm to 150 mm inclusive, designed to be used in bolted joints in combination with bolts, screws, studs and nuts. This part of ISO 4759 may be applied to non-flat washers however it does not include all the tolerances related to these washers. It applies to non-captive and captive washers, and to standard and non-standard washers. It does not apply to dynamic disc springs. Washers of product grades F and A are intended to be used with bolts, screws, studs and nuts of product grades A and B; washers of product grade C are intended to be used with bolts, screws, studs and nuts of product grade C. NOTE The product grade refers to a specific tolerance range related to dimensional and geometrical characteristics (product grade F for fine tolerances, product grade A for precise tolerances, product grade C for large tolerances). Annex A presents tolerances taken from ISO 286‑1 and ISO 286‑2.

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SIST
SIST EN 14399-5:2015(Main)
High-strength structural bolting assemblies for preloading - Part 5: Plain washers
EN 14399-5:2015

This document specifies, together with EN 14399-1, hardened and tempered plain washers intended for assembly with large series hexagon high-strength structural bolts and nuts with threads from M12 to M36 inclusive. Washers according to this standard can be applied under the nut only.
NOTE   Attention is drawn to the importance of ensuring that the washers are correctly used if satisfactory results are to be obtained. For recommendations concerning proper application, reference to EN 1090-2 is made.

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SIST
SIST EN 14399-6:2015(Main)
High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers
EN 14399-6:2015

This document specifies, together with EN 14399-1, hardened and tempered plain washers with chamfer intended for assembly with large series hexagon high-strength structural bolts and nuts with thread sizes from M12 to M36 inclusive.
NOTE   Attention is drawn to the importance of ensuring that the washers are correctly used if satisfactory results are to be obtained. For recommendations concerning proper application, reference to EN 1090-2 is made.

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SIST
SIST EN ISO 10673:2012(Main)
Plain washers for screw and washer assemblies - Small, normal and large series - Product grade A (ISO 10673:2009)
EN ISO 10673:2009

The European Standard specifies the characteristics of plain steel washers, small, normal and large series, of product grade A with hardness classes 200 HV and 300 HV for metric screw and washer assemblies according to ISO 10644.

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SIST
SIST EN ISO 10644:2012(Main)
Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV (ISO 10644:2009)
EN ISO 10644:2009

This European Standard specifies the requirements for metric screw and plain washer assemblies with coarse thread M2 to M12 inclusive, flat seating heads, property classes up to and including 10.9 and washer hardness classes 200 HV and 300 HV. The plain washers are captive, i.e. prevented from disassembly and free to rotate.

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SIST
SIST-TS 1051:2011(Main)
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SIST
SIST-TS 1052:2011(Main)
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CEN
EN ISO 10644:2009(Main)
Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV (ISO 10644:2009)
SIST EN ISO 10644:2012

ISO 10644:2009 specifies the requirements for metric screw and plain washer assemblies made of steel with coarse thread M2 to M12 inclusive, flat seating heads, property classes up to and including 10.9 and washer hardness classes 200 HV or 300 HV. The plain washers are captive, i.e. prevented from disassembly and free to rotate.

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CEN
EN ISO 10673:2009(Main)
Plain washers for screw and washer assemblies - Small, normal and large series - Product grade A (ISO 10673:2009)
SIST EN ISO 10673:2012

ISO 10673:2009 specifies the characteristics of plain steel washers, small, normal and large series, of product grade A for metric screw and washer assemblies in accordance with ISO 10644.

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ISO
ISO 10644:2009(Main)
Screw and washer assemblies made of steel with plain washers — Washer hardness classes 200 HV and 300 HV

ISO 10644:2009 specifies the requirements for metric screw and plain washer assemblies made of steel with coarse thread M2 to M12 inclusive, flat seating heads, property classes up to and including 10.9 and washer hardness classes 200 HV or 300 HV. The plain washers are captive, i.e. prevented from disassembly and free to rotate.

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ISO
ISO 10673:2009(Main)
Plain washers for screw and washer assemblies — Small, normal and large series — Product grade A

ISO 10673:2009 specifies the characteristics of plain steel washers, small, normal and large series, of product grade A for metric screw and washer assemblies in accordance with ISO 10644.

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SIST
SIST EN ISO 887:2002/AC:2006(Amendment)
Plain washers for metric bolts, screws and nuts for general purposes - General plan (ISO 887:2000)
EN ISO 887:2000/AC:2006

ISO - Taking over of an ISO Technical Corrigendum

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EN ISO 887:2000/AC:2006(Corrigendum)
Plain washers for metric bolts, screws and nuts for general purposes - General plan (ISO 887:2000)
SIST EN ISO 887:2002/AC:2006

ISO - Taking over of an ISO Technical Corrigendum

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SIST
SIST EN ISO 7094:2002/AC:2002(Amendment)
Plain washers - Extra large series - Product grade C (ISO 7094:2000/Cor.1:2001)
EN ISO 7094:2000/AC:2002

ISO - Taking over of an ISO Technical Corrigendum

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EN ISO 7094:2000/AC:2002(Corrigendum)
Plain washers - Extra large series - Product grade C (ISO 7094:2000/Cor.1:2000)
SIST EN ISO 7094:2002/AC:2002

ISO - Taking over of an ISO Technical Corrigendum

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SIST
SIST EN ISO 7093-1:2002(Main)
Plain washers - Large series - Part 1: Product grade A (ISO 7093-1:2000)
EN ISO 7093-1:2000

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision as to the withdrawal of ISO 7091 & 7094.

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SIST
SIST EN ISO 887:2002(Main)
Plain washers for metric bolts, screws and nuts for general purposes - General plan (ISO 887:2000)
EN ISO 887:2000
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SIST
SIST EN ISO 7093-2:2002(Main)
Plain washers - Large series - Part 2: Product grade C (ISO 7093-2:2000)
EN ISO 7093-2:2000
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SIST
SIST EN ISO 7089:2002(Main)
Plain washers - Normal series - Product grade A (ISO 7089:2000)
EN ISO 7089:2000

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision as to the withdrawal of ISO 7091 & 7094.

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SIST
SIST EN ISO 7091:2002(Main)
Plain washers - Normal series - Product grade C (ISO 7091:2000)
EN ISO 7091:2000

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision  as to the withdrawal of ISO 7091 & 7094.

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SIST
SIST EN ISO 7094:2002(Main)
Plain washers - Extra large series - Product grade C (ISO 7094:2000)
EN ISO 7094:2000

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision as to the withdrawal of ISO 7091 & 7094.

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SIST
SIST EN ISO 7090:2002(Main)
Plain washers, chamfered - Normal series - Product grade A (ISO 7090:2000)
EN ISO 7090:2000

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision as to the withdrawal of ISO 7091 & 7094.

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SIST
SIST EN ISO 10669:2001(Main)
Plain washers for tapping screw and washer assemblies - Normal and large series - Product grade A (ISO 10669:1999)
EN ISO 10669:1999
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CEN
EN ISO 887:2000(Main)
Plain washers for metric bolts, screws and nuts for general purposes - General plan (ISO 887:2000)
SIST EN ISO 887:2002
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ISO
ISO 7094:2000(Main)
Plain washers — Extra large series — Product grade C
  • Standard
    3 pages
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    3 pages
    French language
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ISO
ISO 887:2000(Main)
Plain washers for metric bolts, screws and nuts for general purposes — General plan
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    7 pages
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    7 pages
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ISO
ISO 7093-1:2000(Main)
Plain washers — Large series — Part 1: Product grade A
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    5 pages
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    6 pages
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ISO
ISO 7093-2:2000(Main)
Plain washers — Large series — Part 2: Product grade C
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    4 pages
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    4 pages
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CEN
EN ISO 7090:2000(Main)
Plain washers, chamfered - Normal series - Product grade A (ISO 7090:2000)
SIST EN ISO 7090:2002

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision as to the withdrawal of ISO 7091 & 7094.

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CEN
EN ISO 7094:2000(Main)
Plain washers - Extra large series - Product grade C (ISO 7094:2000)
SIST EN ISO 7094:2002

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision as to the withdrawal of ISO 7091 & 7094.

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ISO
ISO 7089:2000(Main)
Plain washers — Normal series — Product grade A
  • Standard
    5 pages
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    5 pages
    French language
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ISO
ISO 7090:2000(Main)
Plain washers, chamfered — Normal series — Product grade A
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    5 pages
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CEN
EN ISO 7093-1:2000(Main)
Plain washers - Large series - Part 1: Product grade A (ISO 7093-1:2000)
SIST EN ISO 7093-1:2002

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision as to the withdrawal of ISO 7091 & 7094.

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ISO
ISO 7091:2000(Main)
Plain washers — Normal series — Product grade C
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    4 pages
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CEN
EN ISO 7093-2:2000(Main)
Plain washers - Large series - Part 2: Product grade C (ISO 7093-2:2000)
SIST EN ISO 7093-2:2002
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CEN
EN ISO 7089:2000(Main)
Plain washers - Normal series - Product grade A (ISO 7089:2000)
SIST EN ISO 7089:2002

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision as to the withdrawal of ISO 7091 & 7094.

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ISO
ISO 7092:2000(Main)
Plain washers — Small series — Product grade A
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    5 pages
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    5 pages
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CEN
EN ISO 7091:2000(Main)
Plain washers - Normal series - Product grade C (ISO 7091:2000)
SIST EN ISO 7091:2002

Migrated from Progress Sheet (TC Comment) (2000-07-10): Crash 1996: Await ISO decision  as to the withdrawal of ISO 7091 & 7094.

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ISO
ISO 10669:1999(Main)
Plain washers for tapping screw and washer assemblies — Normal and large series — Product grade A
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SIST
SIST EN 28738:1996(Main)
Plain washers for clevis pins - Product grade A (ISO 8738:1986)
EN 28738:1992

Specifies the characteristics of products according to ISO 2340 and ISO 2341; includes nominal sizes from 3 mm up to and including 100 mm as well as specifications with reference to International Standards; gives an example for the designation.

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CEN
EN 28738:1992(Main)
Plain washers for clevis pins - Product grade A (ISO 8738:1986)
SIST EN 28738:1996

Specifies the characteristics of products according to ISO 2340 and ISO 2341; includes nominal sizes from 3 mm up to and including 100 mm as well as specifications with reference to International Standards; gives an example for the designation.

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