DIN EN 14399 7 De forme standard Dimensions pour High-strength structural bolting assemblies for preloading - - Part 7: System HR - Countersunk head bolt and nut assemblies
Historique technique et équivalents internationaux de DIN EN 14399 7
Assemblages de boulonnerie structurelle à haute résistance pour précharge - - Partie 7 : Système HR - Assemblages de boulons et d'écrous à tête fraisée
Dessins cotés et schémas techniques
Dimensions et paramètres techniques clés
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Bolts - dimensions in mm - source DIN EN 14399 7 Pubblication date 06/2019 Supersedes DIN EN 14399 7 03/2008 |
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d thread size |
P
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b l<=125
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b l>125 <=200 | b l>200 | dk min÷max |
k nom.
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i min÷max | ds min÷max |
n min÷max
|
t min÷max
|
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M 12
|
1.75
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30 | - | - | 23.16÷24 | 8 | 15.5÷16.5 |
11.3÷12.7 |
2.5÷3 | 3÷4.5 |
| M 14 | 2 | 34 | 40 | - | 27.16÷28 | 9 | 18.5÷19.5 | 13.3÷14.7 | 2.5÷3 | 3÷4.5 |
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M 16
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2
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38 | 44 | - | 31.16÷32 | 10 | 21.5÷22.5 |
15.3÷16.7 |
2.5÷3 | 3÷4.5 |
| M 18 | 2.5 | 42 | 48 | - | 35÷36 | 12 | 24.5÷25.5 | 17.3÷18.7 | 3÷3.5 | 3.5÷4.5 |
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M 20
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2.5
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46 | 52 | 65 | 39÷40 | 13 | 27.5÷28.5 |
19.16÷20.84 |
3÷3.5 | 3.5÷5 |
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M 22
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2.5
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50 | 56 | 69 | 43÷44 | 14 | 29.5÷30.5 |
21.16÷22.84 |
3÷3.5 | 3.5÷5 |
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M 24
|
3
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54 | 60 | 73 | 47÷48 | 16 | 32.5÷33.5 |
23.16÷24.84 |
3÷3.5 | 3.5÷5 |
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M 27
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3
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60 | 66 | 79 | 53÷54 | 17.5 | 36.5÷37.5 |
26.16÷27.84 |
3÷3.5 | 3.5÷5 |
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M 30
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3.5
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66 | 72 | 85 | 58.8÷60 | 19.5 | 41.5÷42.5 |
29.16÷30.84 |
3.5÷4 | 4÷5.5 |
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M 36
|
4
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78 | 84 | 97 | 70.8÷72 | 23 | 49.5÷50.5 |
35÷37 |
3.5÷4 | 4÷5.5 |
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Nuts - dimensions in mm - source EN 14399-7 Publication date : 06/2019 Supersedes DIN EN 14399 7 03/2008 |
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| d thread size | Pitch | dw min | s nom | e min | m max | m min | c max |
| M 12 | 1.75 | 20.1 | 22 | 23.91 | 10.8 | 10.37 | 0.8 |
| M 14 | 2 | 21.86 | 24 | 27.12 | 12.8 | 12.1 | 0.8 |
| M 16 | 2 | 24.9 | 27 | 29.56 | 14.8 | 14.1 | 0.8 |
| M 18 | 2.5 | 27.7 | 30 | 32.95 | 15.8 | 15.1 | 0.8 |
| M 20 | 2.5 | 29.5 | 32 | 35.03 | 18 | 16.9 | 0.8 |
| M 22 | 2.5 | 33.3 | 36 | 39.55 | 19.4 | 18.1 | 0.8 |
| M 24 | 3 | 38 | 41 | 45.02 | 21.5 | 20.2 | 0.8 |
| M 27 | 3 | 42.8 | 46 | 50.85 | 23.8 | 22.5 | 0.8 |
| M 30 | 3.5 | 46.6 | 50 | 55.37 | 25.6 | 24.3 | 0.8 |
| M 36 | 4 | 55.9 | 60 | 66.44 | 31 | 29.4 | 0.8 |
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Bolts - dimensions in mm - source EN 14399-7 Publication date: 03/ 2008 |
||||||||||
|
d thread size |
P
|
b l<=125
|
b l>125 <=200 | b l>200 | dk min÷max |
k nom.
|
i min÷max | ds min÷max |
n min÷max
|
t min÷max
|
|
M 12
|
1.75
|
30 | - | - | 23.16÷24 | 8 | 15.5÷16.5 |
11.3÷12.7 |
2.5÷3 | 3÷4.5 |
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M 16
|
2
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38 | 44 | - | 31.16÷32 | 10 | 21.5÷22.5 |
15.3÷16.7 |
2.5÷3 | 3÷4.5 |
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M 20
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2.5
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46 | 52 | 65 | 39÷40 | 13 | 27.5÷28.5 |
19.16÷20.84 |
3÷3.5 | 3.5÷5 |
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M 22
|
2.5
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50 | 56 | 69 | 43÷44 | 14 | 29.5÷30.5 |
21.16÷22.84 |
3÷3.5 | 3.5÷5 |
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M 24
|
3
|
54 | 60 | 73 | 47÷48 | 16 | 32.5÷33.5 |
23.16÷24.84 |
3÷3.5 | 3.5÷5 |
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M 27
|
3
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60 | 66 | 79 | 53÷54 | 17.5 | 36.5÷37.5 |
26.16÷27.84 |
3÷3.5 | 3.5÷5 |
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M 30
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3.5
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66 | 72 | 85 | 58.8÷60 | 19.5 | 41.5÷42.5 |
29.16÷30.84 |
3.5÷4 | 4÷5.5 |
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M 36
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4
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78 | 84 | 97 | 70.8÷72 | 23 | 49.5÷50.5 |
35÷37 |
3.5÷4 | 4÷5.5 |
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Nuts - dimensions in mm - source EN 14399-7 Publication date: 03/ 2008 |
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| d thread size | Pitch | dw min | s nom | e min | m max | m min | c max |
| M 12 | 1.75 | 20.1 | 22 | 23.91 | 10.8 | 10.37 | 0.8 |
| M 14 | 2 | 21.86 | 24 | 27.12 | 12.8 | 12.1 | 0.8 |
| M 16 | 2 | 24.9 | 27 | 29.56 | 14.8 | 14.1 | 0.8 |
| M 18 | 2.5 | 27.7 | 30 | 32.95 | 15.8 | 15.1 | 0.8 |
| M 20 | 2.5 | 29.5 | 32 | 35.03 | 18 | 16.9 | 0.8 |
| M 22 | 2.5 | 33.3 | 36 | 39.55 | 19.4 | 18.1 | 0.8 |
| M 24 | 3 | 38 | 41 | 45.02 | 21.5 | 20.2 | 0.8 |
| M 27 | 3 | 42.8 | 46 | 50.85 | 23.8 | 22.5 | 0.8 |
| M 30 | 3.5 | 46.6 | 50 | 55.37 | 25.6 | 24.3 | 0.8 |
| M 36 | 4 | 55.9 | 60 | 66.44 | 31 | 29.4 | 0.8 |
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Table 1 - Systems of bolt/nut/washer assemblies |
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Description
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Bolt/nut/washer assembly System HR - Garniture aus Schrauben/Muttern und Scheiben System HR - Assieme bullone/dado/rondella sistema HR
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Bolt/nut/washer assembly System HV - Garniture aus Schrauben/Muttern und Scheiben System HV - Assieme bullone/dado/rondella sistema HV |
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General requirements Allgemeine Anforderungen Requisiti generali
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EN 14399-1 |
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| Bolt/nut assembly - Garnitur aus Schraube und Mutter - assieme bullone/dado | EN 14399-3 | EN 14399-4 |
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Marking - Kennzeichnung - Marcatura
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HR | HV |
| Property classes - Festigekeitklasse - Classi di resistenza | 8.8/8 10.9/10 | 10.9/10 |
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Washers - Scheiben - Rondelle
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EN 14399-5 OR EN 14399-6 | EN 14399-5 OR EN 14399-6 |
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Marking - Kennzeichnung - Marcatura
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H | H |
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Suitability test for preloading - Eignungsprüfung für das Vorspannen - Prova di idoneità all''impiego
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EN 14399-2 | EN 14399-2 |