DIN 7979Dowel Pins

Dowel Pins

Steel, with Internal Thread

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Dowel Pins
Dowel Pins

DIN 7979

Catalogue
d1 m6
l1 js15
d2
d3
l2
l3
l4
r
t
6
20
M 4
4.3
2.1
0.8
1
6
6
4
6
24
M 4
4.3
2.1
0.8
1
6
6
5
6
28
M 4
4.3
2.1
0.8
1
6
6
6
6
32
M 4
4.3
2.1
0.8
1
6
6
7
6
36
M 4
4.3
2.1
0.8
1
6
6
8
6
40
M 4
4.3
2.1
0.8
1
6
6
9
6
45
M 4
4.3
2.1
0.8
1
6
6
10
6
50
M 4
4.3
2.1
0.8
1
6
6
11
6
55
M 4
4.3
2.1
0.8
1
6
6
12
6
60
M 4
4.3
2.1
0.8
1
6
6
13
8
20
M 5
5.3
2.6
1
1.2
8
8
7
8
24
M 5
5.3
2.6
1
1.2
8
8
8
8
28
M 5
5.3
2.6
1
1.2
8
8
10
8
32
M 5
5.3
2.6
1
1.2
8
8
11
8
36
M 5
5.3
2.6
1
1.2
8
8
13
8
40
M 5
5.3
2.6
1
1.2
8
8
14
8
45
M 5
5.3
2.6
1
1.2
8
8
17
8
50
M 5
5.3
2.6
1
1.2
8
8
19
8
55
M 5
5.3
2.6
1
1.2
8
8
21
8
60
M 5
5.3
2.6
1
1.2
8
8
22
8
70
M 5
5.3
2.6
1
1.2
8
8
27
10
20
M 6
6.4
3
1.2
1.2
10
10
10
10
24
M 6
6.4
3
1.2
1.2
10
10
13
10
28
M 6
6.4
3
1.2
1.2
10
10
15
10
32
M 6
6.4
3
1.2
1.2
10
10
18
10
36
M 6
6.4
3
1.2
1.2
10
10
20
10
40
M 6
6.4
3
1.2
1.2
10
10
23
10
45
M 6
6.4
3
1.2
1.2
10
10
26
10
50
M 6
6.4
3
1.2
1.2
10
10
29
10
55
M 6
6.4
3
1.2
1.2
10
10
32
10
60
M 6
6.4
3
1.2
1.2
10
10
29
10
70
M 6
6.4
3
1.2
1.2
10
10
41
10
80
M 6
6.4
3
1.2
1.2
10
10
47
12
24
M 6
6.4
3.8
1.6
1.2
10
12
19
12
28
M 6
6.4
3.8
1.6
1.2
10
12
20
12
32
M 6
6.4
3.8
1.6
1.2
10
12
24
12
36
M 6
6.4
3.8
1.6
1.2
10
12
27
12
40
M 6
6.4
3.8
1.6
1.2
10
12
31
12
45
M 6
6.4
3.8
1.6
1.2
10
12
36
12
50
M 6
6.4
3.8
1.6
1.2
10
12
40
12
55
M 6
6.4
3.8
1.6
1.2
10
12
47
12
60
M 6
6.4
3.8
1.6
1.2
10
12
50
12
70
M 6
6.4
3.8
1.6
1.2
10
12
60
12
80
M 6
6.4
3.8
1.6
1.2
10
12
69
12
100
M 6
6.4
3.8
1.6
1.2
10
12
87
16
32
M 8
8.4
4.7
2
1.5
12
16
46
16
40
M 8
8.4
4.7
2
1.5
12
16
58
16
50
M 8
8.4
4.7
2
1.5
12
16
74
16
60
M 8
8.4
4.7
2
1.5
12
16
90
16
70
M 8
8.4
4.7
2
1.5
12
16
106
16
80
M 8
8.4
4.7
2
1.5
12
16
121
16
100
M 8
8.4
4.7
2
1.5
12
16
153
16
120
M 8
8.4
4.7
2
1.5
12
16
185
20
50
M 10
10.5
6
2.5
1.5
16
20
113
20
60
M 10
10.5
6
2.5
1.5
16
20
138
20
70
M 10
10.5
6
2.5
1.5
16
20
162
20
80
M 10
10.5
6
2.5
1.5
16
20
187
20
100
M 10
10.5
6
2.5
1.5
16
20
236
20
120
M 10
10.5
6
2.5
1.5
16
20
286

Type

  • Type D: Hardened

Steel ST

  • Hardened (HRC 60 ±2)
  • Fit dimension d1 ground, plain finish

Dowel pins DIN 7979 connect, secure and position machine parts.

They are used in conjunction with blind holes. The centering step facilitates with pressing in the part. The flat section relieves trapped air, making them easier to insert and remove.

The dowel pin can be removed via the internal thread using a puller handle or slide hammer. The protective countersink d3 on the thread protects it from damage during installation.

The dimensions correspond to ISO 8735. In combination with a location hole H7 a transition fit can be achieved.

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DIN 6325

Dowel Pins Steel
Guide pins

GN 771.1

Guide pins cylindrical, for guide bushings DIN 172 / DIN 179
Guide pins

GN 771.2

Guide pins conical, for guide bushings GN 172.1 / GN 179.1