UNI 7687 Standard Wymiary dla Pan head machine screws with cross recess
Ta norma została anulowana
Wkrety z lbem walcowym z wglebieniem i lbem soczewkowym. Gwint metryczny grubozwojny ISO. Klasa produktu A.
Rysunek wymiarowy i diagramy techniczne
Kluczowe wymiary i parametry techniczne
|
Dimensions in mm - source UNI 7687Withdrawn |
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| Publication date: 10 -1977 | |||||||
| d thread size |
P
|
dk nom=max | k min | k max |
recess No.
|
m Type H ref.
|
m Type Z ref.
|
|
M 2
|
0.4 | 4 | 1.48 | 1.72 |
1
|
2.5 | 2.11 |
|
M 2.5
|
0.45 | 5 | 1.88 | 2.12 |
1
|
2.7 | 2.9 |
| M 3 | 0.5 | 6 | 2.28 | 2.52 |
1
|
3.1 | 3.15 |
| M 3.5 |
0.6
|
7 | 2.58 | 2.82 |
2
|
4.2 | 3.91 |
| M 4 |
0.7
|
8 | 2.95 | 3.25 |
2
|
4.6 | 4.29 |
| M 5 |
0.8
|
10 | 3.65 | 3.95 |
2
|
5.3 | 4.7 |
| M 6 |
1
|
12 | 4.45 | 4.75 |
3
|
6.8 | 6.73 |
| M 8 |
1.25
|
16 | 5.85 | 6.15 |
4
|
9 | 8.46 |
| M 10 |
1.5
|
20 | 7.32 | 7.68 |
4
|
10.2 | 10 |
|
UNI 7687 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items |
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| d thread size | M 2 | M 2.5 | M 3 | M 4 | M 5 | M 6 | M 8 | M 10 | ||
| nominal length l | ||||||||||
| 3 | 0.137 | 0.34 | ||||||||
| 4 | 0.155 | 0.37 | 0.621 | |||||||
| 5 | 0.173 | 0.4 | 0.666 | 1.4 | ||||||
| 6 | 0.191 | 0.43 | 0.71 | 1.48 | 2.66 | |||||
| 8 | 0.228 | 0.49 | 0.798 | 1.63 | 2.91 | |||||
| 10 | 0.267 | 0.55 | 0.876 | 1.79 | 3.16 | 5.14 | 10.9 | |||
| 12 | 0.304 | 0.61 | 0.954 | 1.94 | 3.41 | 5.49 | 11.5 | 21.2 | ||
| 14 | 0.341 | 0.67 | 1.03 | 2.1 | 3.66 | 5.84 | 12.2 | 22.2 | ||
| 16 | 0.378 | 0.73 | 1.11 | 2.25 | 3.91 | 6.19 | 12.8 | 23.2 | ||
| 20 | 0.85 | 1.27 | 2.56 | 4.41 | 6.89 | 14.2 | 25.2 | |||
| 25 | 1 | 1.47 | 2.94 | 5.03 | 7.77 | 15.8 | 27.7 | |||
| 30 | 1.18 | 1.71 | 3.44 | 5.7 | 8.64 | 17.5 | 30.2 | |||
| 35 | 3.94 | 6.5 | 9.52 | 19.1 | 32.7 | |||||
| 40 | 4.44 | 7.18 | 10.5 | 20.7 | 35.7 | |||||
| 45 | 7.93 | 11.4 | 22.3 | 37.7 | ||||||
| 50 | 8.7 | 12.3 | 23.9 | 41.2 | ||||||