ISO 2320:2015
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Current
The latest, up-to-date edition.
Fasteners — Prevailing torque steel nuts — Functional properties
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Language(s)
English, French
Published date
30-11-2015
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ISO 2320:2015 specifies the functional properties for prevailing torque steel nuts when tested at an ambient temperature range of +10 °C to +35 °C. It includes a combined test method to determine the prevailing torque properties and the torque/clamp force properties at the same time.
It applies to prevailing torque all metal type nuts and prevailing torque non-metallic insert type nuts:
- with triangular ISO thread in accordance with ISO 68‑1;
- with diameter/pitch combination in accordance with ISO 261 and ISO 262;
- with coarse pitch thread M5 to M39 or with fine pitch thread M8 × 1 to M39 × 3;
- with thread tolerances in accordance with ISO 965-2;
- with mechanical properties in accordance with ISO 898‑2;
Prevailing torque values specified in this standard are based on laboratory test conditions.
NOTE 1 Actual prevailing torques in practical application can vary.
NOTE 2 All metal type nuts conforming to the requirements of this International Standard are used in applications ranging from −50 °C to +150 °C.
NOTE 3 Non-metallic insert type nuts conforming to the requirements of this International Standard are used in applications ranging from −50 °C to +120 °C.
WARNING ? Temperatures outside the ambient temperature range can influence the functional properties (torque/clamp force and prevailing torque properties), see Annex A.
| Committee |
ISO/TC 2/SC 12
|
| DevelopmentNote |
Supersedes ISO/DIS 2320. (12/2015)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NBN EN ISO 2320 : 2016 | Identical |
| NEN EN ISO 2320 : 2016 | Identical |
| NS EN ISO 2320 : 1997 | Identical |
| I.S. EN ISO 2320:2015 | Identical |
| PN EN ISO 2320 : 2016 | Identical |
| SS-EN ISO 2320:2016 | Identical |
| BS EN ISO 2320:2015 | Identical |
| EN ISO 2320:2015 | Identical |
| NF EN ISO 2320 : 2016 | Identical |
| DIN EN ISO 2320:2016-05 | Identical |
| SAC GB/T 3098.9 : 2010 | Identical |
| UNE-EN ISO 2320:2017 | Identical |
| DIN 267-15:1983-11 | Similar to |
| GOST R ISO 2320 : 2009 | Identical |
| NFE 25 408 : 1985 | Similar to |
| BIS IS 1367-8 : 2014 | Identical |
| ISO 7720:2012 | Prevailing torque type all-metal hexagon nuts, style 2 — Property class 9 |
| 16/30337587 DC | BS EN ISO 7042. Prevailing torque (all-metal) hexagon high nuts. Product grades A and B |
| 16/30337594 DC : DRAFT APR 2016 | BS ISO 7044 - PREVAILING TORQUE (ALL-METAL) HEXAGON HIGH NUTS WITH FLANGE - PRODUCT GRADES A AND B |
| BS ISO 7041:2012 | Prevailing torque type hexagon nuts (with non-metallic insert), style 2. Property classes 9 and 12 |
| 14/30298932 DC : 0 | BS EN ISO 10484 - FASTENERS - WIDENING TEST ON NUTS |
| I.S. EN ISO 898-2:2012 | MECHANICAL PROPERTIES OF FASTENERS MADE OF CARBON STEEL AND ALLOY STEEL - PART 2: NUTS WITH SPECIFIED PROPERTY CLASSES - COARSE THREAD AND FINE PITCH THREAD (ISO 898-2:2012) |
| DIN EN 1090-3:2008-09 | EXECUTION OF STEEL AND ALUMINIUM STRUCTURES - PART 3: TECHNICAL RULES FOR EXECUTION OF ALUMINIUM STRUCTURES |
| BS EN 1090-3:2008 | Execution of steel structures and aluminium structures Technical requirements for aluminium structures |
| I.S. EN ISO 3269:2000 | FASTENERS - ACCEPTANCE INSPECTION |
| DIN EN ISO 7719:2016-05 (Draft) | PREVAILING TORQUE TYPE ALL-METAL HEXAGON REGULAR NUTS - PROPERTY CLASSES 5, 8 AND 10 (ISO 7719:2012) |
| DIN EN ISO 10512:2016-05 (Draft) | PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 6, 8 AND 10 (ISO 10512:2012) |
| DIN EN ISO 7040:2016-05 (Draft) | PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) - PROPERTY CLASSES 5, 8 AND 10 (ISO 7040:2012) |
| DIN EN ISO 10484:2014-06 (Draft) | WIDENING TEST ON NUTS |
| BS EN 493:1992 | Fasteners. Surface discontinuities. Nuts |
| BS EN ISO 10484:2004 | Widening test on nuts |
| BS EN ISO 7719:2012 | Prevailing torque type all-metal hexagon regular nuts. Property classes 5, 8 and 10 |
| DIN EN 1090-2:2011-10 | EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES |
| IS 1367 : Part 1 : 2014 | TECHNICAL SUPPLY CONDITIONS FOR THREADED STEEL FASTENERS PART 1 GENERAL REQUIREMENTS FOR BOLTS, SCREWS, STUDS AND NUTS<br> |
| ISO 16228:2017 | Fasteners — Types of inspection documents |
| PREN 1090-3 : DRAFT 2017 | EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 3: TECHNICAL REQUIREMENTS FOR ALUMINIUM STRUCTURES |
| BS ISO 7720:2012 | Prevailing torque type all-metal hexagon nuts, style 2. Property class 9 |
| 15/30320416 DC : 0 | BS EN 1090-2 - EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES |
| BS ISO 10484 : 97 AMD 15307 | WIDENING TEST ON NUTS |
| PREN 1090-2 : DRAFT 2015 | EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES |
| I.S. EN 1090-3:2008 | EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 3: TECHNICAL REQUIREMENTS FOR ALUMINIUM STRUCTURES |
| ISO 8992:2005 | Fasteners — General requirements for bolts, screws, studs and nuts |
| BS EN 1090-2 : 2008 | EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES |
| DIN EN 1090-2:2015-07 (Draft) | EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES |
| DIN EN 1993-1-8:2010-12 | Eurocode 3: Design of steel structures - Part 1-8: Design of joints (includes Corrigendum AC:2009) |
| I.S. EN ISO 7719:2012 | PREVAILING TORQUE TYPE ALL-METAL HEXAGON REGULAR NUTS - PROPERTY CLASSES 5, 8 AND 10 (ISO 7719:2012) |
| I.S. EN ISO 7042:2012 | PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS - PROPERTY CLASSES 5, 8, 10 AND 12 (ISO 7042:2012) |
| I.S. EN ISO 10512:2012 | PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 6, 8 AND 10 (ISO 10512:2012) |
| I.S. EN ISO 10511:2012 | PREVAILING TORQUE TYPE HEXAGON THIN NUTS (WITH NON-METALLIC INSERT) (ISO 10511:2012) |
| I.S. EN ISO 10513:2012 | PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 8, 10 AND 12 (ISO 10513:2012) |
| I.S. EN 15048-2:2016 | NON-PRELOADED STRUCTURAL BOLTING ASSEMBLIES - PART 2: FITNESS FOR PURPOSE |
| I.S. EN ISO 7040:2012 | PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) - PROPERTY CLASSES 5, 8 AND 10 (ISO 7040:2012) |
| DIN EN ISO 10484:2004-10 | Widening test on nuts (ISO 10484:1997) |
| VDI/VDE 2251 Blatt 1.1:2016-02 | Bolted joints - Tensioned joints - Precision engineering components |
| ISO 7041:2012 | Prevailing torque type hexagon nuts (with non-metallic insert), style 2 — Property classes 9 and 12 |
| I.S. EN 493:1993 | FASTENERS - SURFACE DISCONTINUITIES - NUTS |
| 16/30337591 DC : DRAFT APR 2016 | BS ISO 7043 - PREVAILING TORQUE HEXAGON HIGH NUTS WITH FLANGE (WITH NON-METALLIC INSERT) - PRODUCT GRADES A AND B |
| 16/30337584 DC : 0 | BS ISO 7041 - PREVAILING TORQUE HEXAGON HIGH NUTS (WITH NON-METALLIC INSERT) - PRODUCT GRADES A AND B |
| 15/30280562 DC : 0 | BS EN ISO 16228 - FASTENERS - INSPECTION DOCUMENTS |
| DIN ISO 8992:2005-09 | Fasteners - General requirements for bolts, screws, studs and nuts (ISO 8992:2005) |
| 16/30337580 DC : 0 | BS EN ISO 7040 - PREVAILING TORQUE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) - PRODUCT GRADES A AND B |
| ISO 12126:2012 | Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread, style 2 — Product grades A and B |
| BS EN ISO 898-2:2012 | Mechanical properties of fasteners made of carbon steel and alloy steel Nuts with specified property classes. Coarse thread and fine pitch thread |
| ISO 7044:2012 | Prevailing torque type all-metal hexagon nuts with flange, style 2 — Product grades A and B |
| ISO 12125:2012 | Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread, style 2 — Product grades A and B |
| EN 1090-2:2008+A1:2011 | Execution of steel structures and aluminium structures - Part 2: Technical requirements for steel structures |
| EN ISO 16228:2018 | Fasteners - Types of inspection documents (ISO 16228:2017) |
| EN 1090-3:2008 | Execution of steel structures and aluminium structures - Part 3: Technical requirements for aluminium structures |
| DIN EN ISO 7042:2016-05 (Draft) | PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS - PROPERTY CLASSES 5, 8, 10 AND 12 (ISO 7042:2012) |
| BS EN ISO 7042:2012 | Prevailing torque type all-metal hexagon high nuts. Property classes 5, 8, 10 and 12 |
| BS EN ISO 10513:2012 | Prevailing torque type all-metal hexagon high nuts with metric fine pitch thread. Property classes 8, 10 and 12 |
| BS EN 1664:1998 | Prevailing torque type all-metal hexagon nuts with flange |
| EN 1666:1997 | Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread (ISO 12125:1997, modified) |
| EN ISO 10513:2012 | Prevailing torque type all-metal hexagon high nuts with metric fine pitch thread - Property classes 8, 10 and 12 (ISO 10513:2012) |
| EN ISO 3269:2000 | Fasteners - Acceptance inspection (ISO 3269:2000) |
| 10/30165716 DC : 0 | BS ISO 898-6 - MECHANICAL PROPERTIES OF FASTENERS - PART 6: NUTS WITH SPECIFIED PROOF LOAD VALUES - FINE PITCH THREAD |
| I.S. EN ISO 16228:2018 | FASTENERS - TYPES OF INSPECTION DOCUMENTS (ISO 16228:2017) |
| BIS IS 800 : 2007 AMD 1 2012 | GENERAL CONSTRUCTION IN STEEL - CODE OF PRACTICE |
| 16/30337630 DC | BS EN ISO 7719. Prevailing torque (all-metal) hexagon regular nuts. Product grades A and B |
| ISO 7043:2012 | Prevailing torque type hexagon nuts with flange (with non-metallic insert), style 2 — Product grades A and B |
| 17/30348949 DC : 0 | BS EN 1090-3 - EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 3: TECHNICAL REQUIREMENTS FOR ALUMINIUM STRUCTURES |
| DIN EN 15048-2:2016-09 | NON-PRELOADED STRUCTURAL BOLTING ASSEMBLIES - PART 2: FITNESS FOR PURPOSE |
| DIN EN ISO 6157-2:2004-10 | Fasteners - Surface discontinuities - Part 2: Nuts (ISO 6157-2:1995) |
| BS EN ISO 10512:2012 | Prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread. Property classes 6, 8 and 10 |
| BS EN ISO 10511:2012 | Prevailing torque type hexagon thin nuts (with non-metallic insert) |
| BS EN ISO 3269:2001 | Fasteners. Acceptance inspection |
| ISO 7042:2012 | Prevailing torque type all-metal hexagon high nuts — Property classes 5, 8, 10 and 12 |
| ISO 3269:2000 | Fasteners — Acceptance inspection |
| ISO 6157-2:1995 | Fasteners — Surface discontinuities — Part 2: Nuts |
| BS EN 1663:1998 | Prevailing torque type hexagon nuts with flange (with non-metallic insert) |
| BS EN 15048-2:2007 | Non-preloaded structural bolting assemblies Suitability test |
| ISO 7719:2012 | Prevailing torque type all-metal hexagon regular nuts — Property classes 5, 8 and 10 |
| ISO 10511:2012 | Prevailing torque type hexagon thin nuts (with non-metallic insert) |
| ISO 898-2:2012 | Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread |
| ISO 10513:2012 | Prevailing torque type all-metal hexagon high nuts with metric fine pitch thread — Property classes 8, 10 and 12 |
| BS EN 1993-1-8:2005 | Eurocode 3. Design of steel structures Design of joints |
| BS EN ISO 6157-2:2004 | Fasteners. Surface discontinuities Nuts |
| ISO 7040:2012 | Prevailing torque type hexagon regular nuts (with non-metallic insert) — Property classes 5, 8 and 10 |
| ISO 10512:2012 | Prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread — Property classes 6, 8 and 10 |
| EN ISO 7040:2012 | Prevailing torque type hexagon regular nuts (with non-metallic insert) - Property classes 5, 8 and 10 (ISO 7040:2012) |
| EN 1664:1997 | Prevailing torque type all-metal hexagon nuts with flange (ISO 7044:1997, modified) |
| EN ISO 10484:2004 | Widening test on nuts (ISO 10484:1997) |
| EN ISO 7042:2012 | Prevailing torque type all-metal hexagon high nuts - Property classes 5, 8, 10 and 12 (ISO 7042:2012) |
| EN 1663:1997 | Prevailing torque type hexagon nuts with flange (with non-metallic insert) (ISO 7043:1997, modified) |
| EN ISO 7719:2012 | Prevailing torque type all-metal hexagon regular nuts - Property classes 5, 8 and 10 (ISO 7719:2012) |
| EN ISO 10512:2012 | Prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread - Property classes 6, 8 and 10 (ISO 10512:2012) |
| EN 15048-2:2016 | Non-preloaded structural bolting assemblies - Part 2: Fitness for purpose |
| EN 1667:1997 | Prevailing torque type all-metal hexagon nuts with flange metric fine pitch thread (ISO 12126:1997, modified) |
| EN ISO 6157-2:2004 | Fasteners - Surface discontinuities - Part 2: Nuts (ISO 6157-2:1995) |
| EN 493 : 1992 | FASTENERS - SURFACE DISCONTINUITIES - NUTS |
| EN ISO 10511:2012 | Prevailing torque type hexagon thin nuts (with non-metallic insert) (ISO 10511:2012) |
| I.S. EN ISO 6157-2:2004 | FASTENERS - SURFACE DISCONTINUITIES - PART 2: NUTS |
| I.S. EN ISO 10484:2004 | WIDENING TEST ON NUTS |
| 10/30165712 DC : 0 | BS ISO 898-2 - MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES; COARSE THREAD |
| BS ISO 8992:2005 | Fasteners. General requirements for bolts, screws, studs and nuts |
| BS EN ISO 16228:2018 | Fasteners. Types of inspection documents |
| I.S. EN 1090-2:2008 | EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES |
| DIN EN ISO 10511:2016-05 (Draft) | PREVAILING TORQUE TYPE HEXAGON THIN NUTS (WITH NON-METALLIC INSERT) (ISO 10511:2012) |
| DIN EN ISO 10513:2016-05 (Draft) | PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 8, 10 AND 12 (ISO 10513:2012) |
| ISO 10484:1997 | Widening test on nuts |
| BS EN 1667:1998 | Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread |
| BS EN 1666:1998 | Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread |
| BS EN ISO 7040:2012 | Prevailing torque type hexagon regular nuts (with non-metallic insert). Property classes 5, 8 and 10 |
| DIN EN 493:1992-07 | FASTENERS - SURFACE DISCONTINUITIES - NUTS |
| DIN EN ISO 898-2:2012-08 | Mechanical properties of fasteners made of carbon steel and alloy steel - Part 2: Nuts with specified property classes - Coarse thread and fine pitch thread (ISO 898-2:2012) |
| ONORM EN ISO 7040 : 2013 | PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) - PROPERTY CLASSES 5, 8 AND 10 (ISO 7040:2012) |
| ONORM EN ISO 10513 : 2013 | PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 8, 10 AND 12 (ISO 10513:2012) |
| ONORM EN ISO 10512 : 2013 | PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 6, 8 AND 10 (ISO 10512:2012) |
| UNE-EN ISO 898-2:2013 | Mechanical properties of fasteners made of carbon steel and alloy steel - Part 2: Nuts with specified property classes - Coarse thread and fine pitch thread (ISO 898-2:2012) |
| ONORM EN ISO 10511 : 2013 | PREVAILING TORQUE TYPE HEXAGON THIN NUTS (WITH NON-METALLIC INSERT) (ISO 10511:2012) |
| ONORM EN ISO 7042 : 2013 | PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS - PROPERTY CLASSES 5, 8, 10 AND 12 (ISO 7042:2012) |
| I.S. EN 1993-1-8:2005 | EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-8: DESIGN OF JOINTS (INCLUDING IRISH NATIONAL ANNEX) |
| ONORM EN ISO 7719 : 2013 | PREVAILING TORQUE TYPE ALL-METAL HEXAGON REGULAR NUTS - PROPERTY CLASSES 5, 8 AND 10 (ISO 7719:2012) |
| UNE-EN ISO 10511:2013 | Prevailing torque type hexagon thin nuts (with non-metallic insert) (ISO 10511:2012) |
| UNE-EN ISO 7042:2013 | Prevailing torque type all-metal hexagon high nuts - Property classes 5, 8, 10 and 12 (ISO 7042:2012) |
| UNE-EN ISO 7040:2013 | Prevailing torque type hexagon regular nuts (with non-metallic insert) - Property classes 5, 8 and 10 (ISO 7040:2012) |
| UNE-EN 1993-1-8:2013 | Eurocode 3: Design of steel structures - Part 1-8: Design of joints |
| UNE-EN 15048-2:2017 | Non-preloaded structural bolting assemblies - Part 2: Fitness for purpose |
| UNE-EN 1090-2:2011 | Execution of steel structures and aluminium structures - Part 2: Technical requirements for steel structures |
| UNE-EN 1090-3:2011 | Execution of steel structures and aluminium structures - Part 3: Technical requirements for aluminium structures |
| UNE-EN ISO 10512:2013 | Prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread - Property classes 6, 8 and 10 (ISO 10512:2012) |
| UNE-EN ISO 10513:2013 | Prevailing torque type all-metal hexagon high nuts with metric fine pitch thread - Property classes 8, 10 and 12 (ISO 10513:2012) |
| UNE-EN ISO 7719:2013 | Prevailing torque type all-metal hexagon regular nuts - Property classes 5, 8 and 10 (ISO 7719:2012) |
| ASME B18.16M : 2004 | PREVAILING-TORQUE-TYPE STEEL METRIC HEX NUTS AND HEX FLANGE NUTS |
| ASME B18.16M : 2004 : R2009 | PREVAILING-TORQUE-TYPE STEEL METRIC HEX NUTS AND HEX FLANGE NUTS |
| ASME B18.16M : 2004 : R2016 | PREVAILING-TORQUE-TYPE STEEL METRIC HEX NUTS AND HEX FLANGE NUTS |
| ISO 16047:2005 | Fasteners — Torque/clamp force testing |
| ISO 898-2:2012 | Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread |
| ISO 965-2:1998 | ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general purpose external and internal screw threads — Medium quality |
| ISO 262:1998 | ISO general purpose metric screw threads — Selected sizes for screws, bolts and nuts |
| ISO 68-1:1998 | ISO general purpose screw threads — Basic profile — Part 1: Metric screw threads |
| ISO 273:1979 | Fasteners — Clearance holes for bolts and screws |
| ISO 261:1998 | ISO general purpose metric screw threads — General plan |
| ISO 898-1:2013 | Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread |
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