DIN 921 Norma Dimensões para Slotted pan head screws with large head
Esta norma DIN 921 especifica as dimensões e as condições técnicas de fornecimento para parafusos de cabeça plana com fenda M1 a M10 e cabeça grande.
Desenho dimensional e diagramas técnicos
Principais dimensões e parâmetros técnicos
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Dimensions in mm - source DIN 921 |
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| Publication date:11/2014 - Supersedes DIN 921 01-2007 | |||||||||
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d thread size
|
P | a | d1 nominal size | k nominal size |
n nom
|
t | c≈ | r max | |
| min | max | ||||||||
| M 1 | 0.25 | 0.5 | 3.5 | 0.7 | 0.25 | 0.35 | 0.5 | 0.2 | 0.1 |
| M 1.2 | 0.25 | 0.5 | 4 | 0.8 | 0.3 | 0.4 | 0.55 | 0.2 | 0.1 |
| M 1.4 | 0.3 | 0.6 | 4.5 | 0.9 | 0.3 | 0.45 | 0.6 | 0.25 | 0.1 |
| M 1.6 | 0.35 | 0.7 | 5 | 1 | 0.4 | 0.5 | 0.7 | 0.25 | 0.1 |
| M 2 | 0.4 | 0.8 | 6 | 1.2 | 0.5 | 0.6 | 0.8 | 0.30 | 0.1 |
| M 2.5 | 0.45 | 0.9 | 7 | 1.5 | 0.6 | 0.75 | 0.95 | 0.40 | 0.1 |
|
M 3
|
0.5 | 1.0 |
8
|
1.8
|
0.8 |
0.9
|
1.15 | 0.45 | 0.1 |
|
M 4
|
0.7 | 1.4 |
12
|
2.4
|
1 |
1.2
|
1.5 | 0.60 | 0.2 |
|
M 5
|
0.8 | 1.6 |
16
|
2.7
|
1.2 |
1.3
|
1.6 | 0.70 | 0.2 |
|
M 6
|
1 | 2.0 |
20
|
3.1
|
1.6 |
1.5
|
1.9 | 0.80 | 0.25 |
|
M 8
|
1.25 | 2.5 |
25
|
3.8
|
2 |
1.9
|
2.4 | 0.90 | 0.40 |
| M 10 | 1.5 | 3.0 | 30 | 4.6 | 2.5 | 2.3 | 2.8 | 1.10 | 0.40 |
|
Dimensions in mm - source DIN 921 |
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| Publication date:01-2007 - Supersedes DIN 921 0-1986 | ||||||
|
d thread size
|
P | d1 nominal size | k nominal size |
n nom
|
t | |
| min | max | |||||
| M 1 | 0.25 | 3.5 | 0.7 | 0.25 | 0.35 | 0.5 |
| M 1.2 | 0.25 | 4 | 0.8 | 0.3 | 0.4 | 0.55 |
| M 1.4 | 0.3 | 4.5 | 0.9 | 0.3 | 0.45 | 0.6 |
| M 1.6 | 0.35 | 5 | 1 | 0.4 | 0.5 | 0.7 |
| M 2 | 0.4 | 6 | 1.2 | 0.5 | 0.6 | 0.8 |
| M 2.5 | 0.45 | 7 | 1.5 | 0.6 | 0.75 | 0.95 |
|
M 3
|
0.5 | 8 | 1.8 | 0.8 | 0.9 | 1.15 |
|
M 4
|
0.7 | 12 | 2.4 | 1 | 1.2 | 1.5 |
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M 5
|
0.8 | 16 | 2.7 | 1.2 | 1.3 | 1.6 |
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M 6
|
1 | 20 | 3.1 | 1.6 | 1.5 | 1.9 |
|
M 8
|
1.25 | 25 | 3.8 | 2 | 1.9 | 2.4 |
| M 10 | 1.5 | 30 | 4.6 | 2.5 | 2.3 | 2.8 |
|
Dimensions in mm - source DIN 921 |
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| Publication date: 1986 | ||||||
|
d thread size
|
P | d1 nominal size | k nominal size |
n nom
|
t | |
| min | max | |||||
| M 1 | 0.25 | 3.5 | 0.7 | 0.25 | 0.35 | 0.5 |
| M 1.2 | 0.25 | 4 | 0.8 | 0.3 | 0.4 | 0.55 |
| M 1.4 | 3 | 4.5 | 0.9 | 0.3 | 0.45 | 0.6 |
| M 1.6 | 0.35 | 5 | 1 | 0.4 | 0.5 | 0.7 |
| M 2 | 0.4 | 6 | 1.2 | 0.5 | 0.6 | 0.8 |
| M 2.5 | 0.45 | 7 | 1.5 | 0.6 | 0.75 | 0.95 |
|
M 3
|
0.5 | 8 | 1.8 | 0.8 | 0.9 | 1.15 |
| M 3.5 | 0.6 | 10 | 2 | 1 | 1 | 1.3 |
|
M 4
|
0.7 | 12 | 2.4 | 1.2 | 1.2 | 1.5 |
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M 5
|
0.8 | 16 | 2.7 | 1.51 | 1.3 | 1.6 |
|
M 6
|
1 | 20 | 3.1 | 1.91 | 1.5 | 1.9 |
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M 8
|
1.25 | 25 | 3.8 | 2.31 | 1.9 | 2.4 |
| M 10 | 1.5 | 30 | 4.6 | 2.5 | 2.3 | 2.8 |