ISO 7379Passchroeven

Staal

Staal/roestvast met kraag

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Staal
Staal
Staal
ISO 7379
Staal
Roestvrij staal
ISO 7379-NI
Roestvrij staal

ISO 7379

Code
d1 f9
d2
l1 +0.25
d3
l2
l3
A/F
4
M 3
4
7
7
3
2
1
4
M 3
5
7
7
3
2
2
4
M 3
6
7
7
3
2
2
4
M 3
8
7
7
3
2
2
4
M 3
10
7
7
3
2
1
4
M 3
12
7
7
3
2
2
4
M 3
16
7
7
3
2
3
4
M 3
20
7
7
3
2
3
4
M 3
25
7
7
3
2
3
4
M 3
30
7
7
3
2
4
5
M 4
5
9
8
4
2.5
3
5
M 4
6
9
8
4
2.5
3
5
M 4
8
9
8
4
2.5
4
5
M 4
10
9
8
4
2.5
4
5
M 4
12
9
8
4
2.5
4
5
M 4
16
9
8
4
2.5
5
5
M 4
20
9
8
4
2.5
5
5
M 4
25
9
8
4
2.5
6
5
M 4
30
9
8
4
2.5
7
5
M 4
40
9
8
4
2.5
8
6
M 5
10
10
9.5
4.5
3
6
6
M 5
12
10
9.5
4.5
3
6
6
M 5
16
10
9.5
4.5
3
7
6
M 5
20
10
9.5
4.5
3
8
6
M 5
25
10
9.5
4.5
3
9
6
M 5
30
10
9.5
4.5
3
10
6
M 5
35
10
9.5
4.5
3
12
6
M 5
40
10
9.5
4.5
3
12
6
M 5
45
10
9.5
4.5
3
14
6
M 5
50
10
9.5
4.5
3
14
6
M 5
55
10
9.5
4.5
3
15
6
M 5
60
10
9.5
4.5
3
16
6
M 5
65
10
9.5
4.5
3
18
6
M 5
70
10
9.5
4.5
3
19
6
M 5
80
10
9.5
4.5
3
21
8
M 6
16
13
11
5.5
4
13
8
M 6
20
13
11
5.5
4
14
8
M 6
25
13
11
5.5
4
16
8
M 6
30
13
11
5.5
4
18
8
M 6
35
13
11
5.5
4
20
8
M 6
40
13
11
5.5
4
1
8
M 6
45
13
11
5.5
4
24
8
M 6
50
13
11
5.5
4
10
8
M 6
55
13
11
5.5
4
28
8
M 6
60
13
11
5.5
4
30
8
M 6
65
13
11
5.5
4
32
8
M 6
70
13
11
5.5
4
34
8
M 6
80
13
11
5.5
4
38
8
M 6
90
13
11
5.5
4
42
8
M 6
100
13
11
5.5
4
46
10
M 8
16
16
13
7
5
23
10
M 8
20
16
13
7
5
26
10
M 8
25
16
13
7
5
29
10
M 8
30
16
13
7
5
32
10
M 8
35
16
13
7
5
35
10
M 8
40
16
13
7
5
38
10
M 8
45
16
13
7
5
41
10
M 8
50
16
13
7
5
44
10
M 8
55
16
13
7
5
47
10
M 8
60
16
13
7
5
50
10
M 8
65
16
13
7
5
53
10
M 8
70
16
13
7
5
56
10
M 8
80
16
13
7
5
62
10
M 8
90
16
13
7
5
68
10
M 8
100
16
13
7
5
75
12
M 10
16
18
16
9
6
36
12
M 10
20
18
16
9
6
39
12
M 10
25
18
16
9
6
44
12
M 10
30
18
16
9
6
48
12
M 10
35
18
16
9
6
54
12
M 10
40
18
16
9
6
56
12
M 10
45
18
16
9
6
63
12
M 10
50
18
16
9
6
67
12
M 10
55
18
16
9
6
71
12
M 10
60
18
16
9
6
74
12
M 10
65
18
16
9
6
75
12
M 10
70
18
16
9
6
83
12
M 10
80
18
16
9
6
91
12
M 10
90
18
16
9
6
96
12
M 10
100
18
16
9
6
100
16
M 12
25
24
18
11
8
86
16
M 12
30
24
18
11
8
93
16
M 12
35
24
18
11
8
101
16
M 12
40
24
18
11
8
109
16
M 12
45
24
18
11
8
118
16
M 12
50
24
18
11
8
126
16
M 12
55
24
18
11
8
131
16
M 12
60
24
18
11
8
14
16
M 12
65
24
18
11
8
148
16
M 12
70
24
18
11
8
155
16
M 12
80
24
18
11
8
160
16
M 12
90
24
18
11
8
186
16
M 12
100
24
18
11
8
200
20
M 16
30
30
22
14
10
170
20
M 16
35
30
22
14
10
170
20
M 16
40
30
22
14
10
194
20
M 16
45
30
22
14
10
205
20
M 16
50
30
22
14
10
219
20
M 16
55
30
22
14
10
240
20
M 16
60
30
22
14
10
244
20
M 16
65
30
22
14
10
260
20
M 16
70
30
22
14
10
266
20
M 16
80
30
22
14
10
290
20
M 16
90
30
22
14
10
315
20
M 16
100
30
22
14
10
338
24
M 20
50
36
27
16
12
340
24
M 20
55
36
27
16
12
360
24
M 20
60
36
27
16
12
380
24
M 20
65
36
27
16
12
393
24
M 20
70
36
27
16
12
410
24
M 20
80
36
27
16
12
450
24
M 20
90
36
27
16
12
480
24
M 20
100
36
27
16
12
516

Version in Steel

  • Property class 12.9
  • Blackened
  • Fit dimension d1 ground

Version in Stainless Steel

  • AISI 304 NI
  • Fit dimension d1 ground

Shoulder screws ISO 7379 are cost-saving construction elements for a wide variety of different uses.

The maximum tightening torque must not be defined by strength class 12.9, it is instead limited by the relatively small bearing points (shoulders) and by the recesses at the transition point from d1 to d2 and d3.

The ISO standard sheet allows for screws with or without knurled head.

Standard deviation:

- no information about the concentricity 2 IT 13 and 2 IT 10

- the official ISO standard sheet has the following dimensions for d1 - d2: 6.5-M5 / 13-M10 / 25-M20

- the dimensions 4-M3 and M4-M5 are not included in the official ISO standard sheet

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