GN 251Setting bolts

Setting bolts

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Setting bolts
Setting bolts

GN 251

Catalogue
d1
l1
d2
e
k1
k2
k3
l2 max.
l3
s
M 3
10
-
6.4
2
2.4
-
1.5
-
5.5
1
M 3
15
-
6.4
2
2.4
-
1.5
-
5.5
1
M 3
20
-
6.4
2
2.4
-
1.5
-
5.5
2
M 3
25
-
6.4
2
2.4
-
1.5
-
5.5
2
M 3
30
-
6.4
2
2.4
-
1.5
-
5.5
2
M 4
10
-
8.1
2.8
3.2
-
2.1
-
7
2
M 4
15
-
8.1
2.8
3.2
-
2.1
-
7
3
M 4
20
-
8.1
2.8
3.2
-
2.1
-
7
3
M 4
25
-
8.1
2.8
3.2
-
2.1
-
7
3
M 4
30
-
8.1
2.8
3.2
-
2.1
-
7
4
M 4
35
-
8.1
2.8
3.2
-
2.1
-
7
5
M 4
40
-
8.1
2.8
3.2
-
2.1
-
7
4
M 5
10
-
9.2
3.5
4
-
2.4
-
8
4
M 5
15
-
9.2
3.5
4
-
2.4
-
8
4
M 5
20
-
9.2
3.5
4
-
2.4
-
8
5
M 5
25
-
9.2
3.5
4
-
2.4
-
8
5
M 5
30
-
9.2
3.5
4
-
2.4
-
8
6
M 5
35
-
9.2
3.5
4
-
2.4
-
8
6
M 5
40
-
9.2
3.5
4
-
2.4
-
8
7
M 5
50
-
9.2
3.5
4
-
2.4
-
8
8
M 6
15
-
11.5
4
5
-
3
-
10
7
M 6
20
-
11.5
4
5
-
3
-
10
8
M 6
25
-
11.5
4
5
-
3
-
10
9
M 6
30
-
11.5
4
5
-
3
-
10
10
M 6
35
-
11.5
4
5
-
3
-
10
11
M 6
40
-
11.5
4
5
-
3
-
10
12
M 6
50
-
11.5
4
5
-
3
-
10
13
M 8
15
-
15
5.5
6.5
-
3.7
-
13
15
M 8
20
-
15
5.5
6.5
-
3.7
-
13
16
M 8
25
-
15
5.5
6.5
-
3.7
-
13
18
M 8
30
-
15
5.5
6.5
-
3.7
-
13
20
M 8
35
-
15
5.5
6.5
-
3.7
-
13
20
M 8
40
-
15
5.5
6.5
-
3.7
-
13
23
M 8
50
-
15
5.5
6.5
-
3.7
-
13
26
M 8
60
-
15
5.5
6.5
-
3.7
-
13
28
M 8
70
-
15
5.5
6.5
-
3.7
-
13
32
M 8
80
-
15
5.5
6.5
-
3.7
-
13
35
M 10
30
-
19.6
7
8
-
4.5
-
17
36
M 10
35
-
19.6
7
8
-
4.5
-
17
39
M 10
40
-
19.6
7
8
-
4.5
-
17
41
M 10
50
-
19.6
7
8
-
4.5
-
17
48
M 10
60
-
19.6
7
8
-
4.5
-
17
54
M 10
70
-
19.6
7
8
-
4.5
-
17
56
M 10
80
-
19.6
7
8
-
4.5
-
17
60
M 12
30
-
21.9
8
10
-
5.2
-
19
53
M 12
35
-
21.9
8
10
-
5.2
-
19
56
M 12
40
-
21.9
8
10
-
5.2
-
19
59
M 12
50
-
21.9
8
10
-
5.2
-
19
66
M 12
60
-
21.9
8
10
-
5.2
-
19
74
M 12
70
-
21.9
8
10
-
5.2
-
19
81
M 12
80
-
21.9
8
10
-
5.2
-
19
88
M 16
50
-
27.7
10
13
-
6
-
24
126
M 16
60
-
27.7
10
13
-
6
-
24
140
M 16
70
-
27.7
10
13
-
6
-
24
153
M 16
80
-
27.7
10
13
-
6
-
24
166
M 4
15
5
8.1
2.8
-
2.4
2.1
1.5
7
3
M 4
20
5
8.1
2.8
-
2.4
2.1
1.5
7
3
M 4
25
5
8.1
2.8
-
2.4
2.1
1.5
7
4
M 4
30
5
8.1
2.8
-
2.4
2.1
1.5
7
4
M 4
35
5
8.1
2.8
-
2.4
2.1
1.5
7
4
M 4
40
5
8.1
2.8
-
2.4
2.1
1.5
7
5
M 5
15
6
9.2
3.5
-
3.2
2.4
1.5
8
4
M 5
20
6
9.2
3.5
-
3.2
2.4
1.5
8
5
M 5
25
6
9.2
3.5
-
3.2
2.4
1.5
8
5
M 5
30
6
9.2
3.5
-
3.2
2.4
1.5
8
6
M 5
35
6
9.2
3.5
-
3.2
2.4
1.5
8
62
M 5
40
6
9.2
3.5
-
3.2
2.4
1.5
8
7
M 6
20
8
11.5
4
-
3.6
3
2
10
7
M 6
25
8
11.5
4
-
3.6
3
2
10
8
M 6
30
8
11.5
4
-
3.6
3
2
10
9
M 6
35
8
11.5
4
-
3.6
3
2
10
10
M 6
40
8
11.5
4
-
3.6
3
2
10
11
M 6
45
8
11.5
4
-
3.6
3
2
10
12
M 6
50
8
11.5
4
-
3.6
3
2
10
12
M 8
20
10
15
5.5
-
5
3.7
2
13
15
M 8
25
10
15
5.5
-
5
3.7
2
13
17
M 8
30
10
15
5.5
-
5
3.7
2
13
18
M 8
35
10
15
5.5
-
5
3.7
2
13
20
M 8
40
10
15
5.5
-
5
3.7
2
13
22
M 8
45
10
15
5.5
-
5
3.7
2
13
23
M 8
50
10
15
5.5
-
5
3.7
2
13
24
M 10
20
13
19.6
7
-
6
4.5
2
17
29
M 10
25
13
19.6
7
-
6
4.5
2
17
32
M 10
30
13
19.6
7
-
6
4.5
2
17
34
M 10
35
13
19.6
7
-
6
4.5
2
17
36
M 10
40
13
19.6
7
-
6
4.5
2
17
39
M 10
45
13
19.6
7
-
6
4.5
2
17
42
M 10
50
13
19.6
7
-
6
4.5
2
17
44

Types

  • Type AK: Locating surface with rounded end, hardened
  • Type BK: Locating surface with Polyurethan disc

Screw

Steel, tensile strength class 5.8

Type AK

blackened

Locating surface, hardened (HRC 45)

Type BK

nickel plated

Polyurethan disc, 90 Shore

Hexagon nut

Steel zinc plated, blue passivated

Setting bolts GN 251 are produced with a hardened and rounded head which can be used as support or setting bolt as an end stop.

The version with Polyurethan disc (Type BK) functions as damping element or protection for sensitive surfaces.

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