DIN 7991 Countersunk Screw

iso 10642 flat head countersunk socket, Hexagon Socket Countersunk Head Screw manufacturers in China

View DIN 7991 Screw Specifications and dimensions, ISO 10642 and din 7991 weight chart

 

A countersunk screw is a kind of fastener that has been adapted in such a manner that it could be used to fasten both thin metal as well as plastics. Fashioned similar to a regular screw, the Hexagon Socket Countersunk Head Screw ISO 10642 is a fastener that permits the user to either to fasten or to secure one object to another, which in this case could be either a plastic or a thin sheet of metal. Like most screws, they are easily identifiable by their structure. Typically, the Din 7991 Screw Dimensions consists of a ridge, or thread, which in turn travels the shaft and subsequently culminates at the head of the screw. The head of an Iso 10642 Flat Head Countersunk Socket could be constructed with either a cross shaped or flat-shaped impression. These impressions enable the worker to insert a screwdriver in order to drive or to turn the countersunk screw into the material it has to be secured into. Mostly, these fasteners are commonly used when the application calls for the invisibility of fixtures.

A DIN 7991 Countersunk Screw is a variety of fastener that sits flush with the exterior of the material (either plastic or a thin metal) it fills. These fasteners typically are built in such a manner that the buyer has the option of covering them up rather easily. Mostly a buyer would cover these screws with the help of either a screw cap keeping in reference with a Din 7991 Weight Chart or piece of wood. Other applications of these fasteners include the requirement for a fastening device that does not protrude. Hence, the other objects can simply rest upon the area where the fastener has been used stably. The typical angle of a countersunk DIN 7991 Screw Specifications head is 82 degrees. However, this would vary depending on its utilisation.

 

ISO 10642 DIN 7991 Dimensions


Din 7991 Screw Dimensions

Dimensions in mm

Thread d
M3
M4
M5
M6
M8
M10
M12
(M14)
M16
(M18)
M20
(M22)
M24
P
0.5
0.7
0.8
1
1.25
1.5
1.75
2
2
2.5
2.5
2.5
3
a

0
90°
60°
b
l?125mm
12
14
16
18
22
26
30
34
38
42
46
50
54
125<l?200mm
24
28
32
36
40
44
48
52
56
60
l>200mm
45
49
53
57
61
65
69
73
c
approx.
0.2
0.3
0.3
0.3
0.4
0.5
0.5
0.5
0.5
0.5
0.5
1
1
dk
nominal=max.
6
8
10
12
16
20
24
27
30
33
36
36
39
 
min.
5.7
7.64
9.64
11.57
15.57
19.48
23.48
26.48
29.48
32.38
35.38
35.38
38.38
da
max.
3.6
4.7
5.7
6.8
9.2
11.2
13.7
15.7
17.7
20.2
22.4
24.4
26.4
ds
nominal=max.
3
4
5
6
8
10
12
14
16
18
20
22
24
min.
2.86
3.82
4.82
5.82
7.78
9.78
11.73
13.73
15.73
17.73
19.67
21.67
23.67
e
min.
2.3
2.87
3.44
4.58
5.72
6.86
9.15
11.43
11.43
13.72
13.72
16
16
k
max.
1.7
2.3
2.8
3.3
4.4
5.5
6.5
7
7.5
8
8.5
13.1
14
r
min.
0.1
0.2
0.2
0.3
0.5
0.5
1
1
1
1
1
1
1.6
s
nominal
2
2.5
3
4
5
6
8
10
10
12
12
14
14
min.
2.02
2.52
3.02
4.02
5.02
6.02
8.025
10.025
10.025
12.032
12.032
14.032
14.032
max.
2.1
2.6
3.1
4.12
5.14
6.14
8.175
10.175
10.175
12.212
12.212
14.212
14.212
t
nominal=max.
1.2
1.8
2.3
2.5
3.5
4.4
4.6
4.8
5.3
5.5
5.9
8.8
10.3
min.
0.95
1.5
2.05
2.25
3.2
4.1
4.3
4.5
5
5.2
5.6
8.44
9.87
 
 
 

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ISO 10642 Material, ISO 10642 A4-80 suppliers in Shenzhen, China
 
supplies a full range of  ISO 10642 Countersunk Screw in China, check DIN 7991 Specifications, DIN 7991 Dimensions