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DIN126 Standard


Nominal
size
For thread size
Hole diameter d1
Outside diameter d2
 Outside diameter. d2
Approximate mass(7.85kg/dm3).
per 1000 units,inkg
min=nominal size max max=nominal size min Nominal size max min
5.5
5
5.5
 5.8
10
0.1
1
 1.2
0.8
0.430
6.6
6
6.6
 6.96
12
10.9
1.5
 1.9
1.3
0.991
7.6
7
7.6
 7.96
14
12.9
1.5
 1.9
1.3
1.36
9
8
9
 9.36
16
14.9
1.6
 1.9
1.3
1.73
11
10
17
 11.43
20
18.7
2
 2.3
1.7
3.44
13.5
12
13.5
 13.93
24
22.7
2.5
 2.8
2.2
6.07
15.5
14
15.5
 15.93
28
26.7
2.5
 2.8
2.2
8.33
17.5
1B
17.5
 17.93
30
28.7
3
 3.6
2.4
11.0
20
18
20
 20.52
34
32.4
3
 3.6
2.4
14.0
22
20
22
 22.52
37
35.4
3
 3.6
2.4
16.4
24
22
24
 24.52
39
37.4
3
 3.6
2.4
17.5
26
24
26
 26.52
44
42.4
4
 4.5
3.4
31.1
30
27
30
 30.52
50
48.4
4
 4.5
3.4
39.5
33
30
33
 33.52
56
54.1
4
 4.5
3.4
50.5
36
33
36
 37
60
58.1
5
 6
4
71.0
39
36
39
 40
66
64.1
5
 6
4
87.4
42
39
42
 43
72
70.1
6
 7
5
127
45
42
45
 46
78
76.1
7
 8.2
5.8
175
48
45
48
49
85
82.8
7
8.2
5.8
212
52
48
52
53.2
92
89.8
8
9.2
6.8
284
56
52
56
57.2
98
95.8
8
9.2
6.8
319
62
58
62
63.2
105
102.8
9
10.2
7.8
398
66
60
66
67.2
110
107.8
9
10.2
7.8
430
70
64
70
71.2
115
112.8
9
10.2
7.8
462
78
72
78
79.2
125
122.5
10
11.2
8.8
588
86
80
86
87.4
140
137.5
12
13.6
10.4
903
96
90
96
97.4
160
157.5
12
13.6
10.4
1210
107
100
107
108.4
175
172.5
14
15.6
12.4
1660
117
110
117
118.4
186
182.1
14
15.6
12.4
1700
127
120
127
128.6
210
207.1
16
17.6
14.4
2760
132
125
132
133.6
220
217.1
16
17.6
14.4
3060
137
130
137
138.6
220
217.1
16
17.6
14.4
2920
147
140
147
148.6
240
237.1
18
19.5
17.4
3990
158
150
158
159.6
250
247.1
18
19.5
17.4
4170
168
160
108
169.6
250
247.1
18
19.5
17.4
3800
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