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Precision Technology
Supplies Ltd
|
Technical Data
Socket Countersunk(flat) - dimensional data
Din 7991
Metric range
|
Diameter
|
Head
diameter
|
Head
Height (max)
|
Key
size
|
Key
engagement
|
Thread
Length
|
|
M2
|
4.0
|
1.24
|
1.27
|
0.65
|
16
|
|
M2.5
|
5.0
|
1.55
|
1.5
|
0.80
|
17
|
|
M3
|
6.0
|
1.7
|
2.0
|
1.2
|
12
|
|
M4
|
8.0
|
2.3
|
2.5
|
1.8
|
14
|
|
M5
|
10
|
2.8
|
3
|
2.3
|
16
|
|
M6
|
12
|
3.3
|
4
|
2.5
|
18
|
|
M8
|
16
|
4.4
|
5
|
3.5
|
22
|
|
M10
|
20
|
5.5
|
6
|
4.4
|
26
|
|
M12
|
24
|
6.5
|
8
|
4.6
|
30
|
|
M16
|
30
|
7.5
|
10
|
5.3
|
38
|
|
M20
|
36
|
8.5
|
12
|
5.9
|
46
|
* = No dimensional data available
Unified & Imperial dimensions available on request
If the information you require is not in the above tables please 
us and we will be happy to send it to you.
This information is for guidance only no liability can result
from its use.
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