Viti testa cilindrica ribassata cava esagonale e foro guida

Queste viti non devono essere usate con rondelle imperdibili poiché è sempre necessario avere una porzione del gambo non filettata per compensare il foro guida della cava. A causa della loro geometria queste viti hanno un carico di rottura ridotto.

Disegni dimensionali e diagrammi tecnici

218_4403.jpg

Dimensioni chiave e parametri tecnici

Dimensions in mm - source DIN 6912

Publication date 03/2021 - Supersedes DIN 6912 : 06/2009 edition
d thread size
P
b l<=125
b l>125<=200

b l<200

dk max nom
k max nom.
s nom.
e min.
dh min.
t1 nom
t2 min
M 4
0.7
14
7
2.8
3
3.44
2
1.6
3.3
M 5
0.8
16
8.5
3.5
4
4.58
2.5
2
4
M 6
1
18
10
4
5
5.72
3
2.5
5
M 8
1.25
22
13
5
6
6.86
4
3
6.5
M 10
1.5
26
32
16
6.5
8
9.15
5
3.5
7.5
M 12
1.75
30
36
18
7.5
10
11.43
6
4
9
M 14
2
34
40
21
8.5
12
13.72
7
4.5
10
M 16
2
38
44
57
24
10
14
16
8
5.5
11.5
M 18
2.5
42
48
61
27
11
14
16
8
6
12.5
M 20
2.5
46
52
65
30
12
17
19.44
10
6.5
14
M 22
2.5
50
56
69
33
13
17
19.44
10
7
15
M 24
3
54
60
73
36
14
19
21.73
12
7
16
M 27
3
60
66
79
40
16
19
21.73
12
8.5
17
M 30
3.5
66
72
85
45
17.5
22
25.15
15
9
19
M 33
3.5
72
78
91
50
19.5
24
27.43
16.5
10
20
M 36
4
78
84
97
54
21.5
27
30.85
18
11.5
24

Dimensions in mm - source DIN 6912

Publication date 06/2009 - Supersedes DIN 6912 : 12/2002 edition
d thread size
P
b l<=125
b l>125<=200

b l<200

dk max nom
k max nom.
s nom.
e min.
dh min.
t1 nom
t2 min
M 4
0.7
14
7
2.8
3
3.44
2
1.6
3.3
M 5
0.8
16
8.5
3.5
4
4.58
2.5
2
4
M 6
1
18
10
4
5
5.72
3
2.5
5
M 8
1.25
22
13
5
6
6.86
4
3
6.5
M 10
1.5
26
32
16
6.5
8
9.15
5
3.5
7.5
M 12
1.75
30
36
18
7.5
10
11.43
6
4
9
M 14
2
34
40
21
8.5
12
13.72
7
4.5
10
M 16
2
38
44
57
24
10
14
16
8
5.5
11.5
M 18
2.5
42
48
61
27
11
14
16
8
6
12.5
M 20
2.5
46
52
65
30
12
17
19.44
10
6.5
14
M 22
2.5
50
56
69
33
13
17
19.44
10
7
15
M 24
3
54
60
73
36
14
19
21.73
12
7
16
M 27
3
60
66
79
40
16
19
21.73
12
8.5
17
M 30
3.5
66
72
85
45
17.5
22
25.15
15
9
19
M 33
3.5
72
78
91
50
19.5
24
27.43
16.5
10
20
M 36
4
78
84
97
54
21.5
27
30.85
18
11.5
24

DIN 6912-2009 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)- commercial items

d thread size M 4 M 5 M 6 M 8 M 10 M 12 M 14 M 16
nominal length l
10 1.3 2.2 3.6
12 1.5 2.5 3.9 7.7
16 1.9 3.1 4.5 8.8 15.5 22.3
20 2.3 3.7 5.2 10.2

17.9

25.5 37.9 52.5
25 2.7 4.4 6.2 12.5 20.2 29.5 42.5 56.5
30 3.2 5.1 7.3 14 22 32.5 48 63
35 3.4 5.8 8.3 15.7 25.5 36.5 53 69.7
40 4.2 6.6 9.5 17.5 28.5 40 58 78.7
50 5.2 7.3 11.5 21.5 34.8 48 69.5 91.5
60 9 13.6 25.3 40.3 57 82 107
70 15.7 29.1 46 65 92.5 122
80 32.8 52.5 72 104 140
90 57.8 80 116 154
100 88 127 169
110

139

183
120 151 198
130 212
140 226

DIN 6912-2009 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)- commercial items

d thread size M 18 M 20 M 22 M 24 M 27 M 30 M 33 M 36
nominal length l
25 77
30 84.6 108
35 93.3 118
40 102 128 185
50 119 150 215
60 138 172 245 263
70 157 196 275 298 445 498
80 178 222 305 333 490 552 793
90 196 245 335 369 535 607 860 1000
100 215 269 365 407 580 66 927 1080
110 235 292 395 439 625 717 994 1160
120 255 316 425 474 670 772 1060 1240
130 275 342 455 510 715 827 1130 1320
140 295 368 485 545 760 880 1190 1400
150 315 394 515 580 805 940 1250 1470
160 422 545 616 850 990 1320 1550
170 448 575 651 895 1050 1380 1630
180 474 605 687 940 1100 1450 1710
190 635 722 995 1160 1510 1790
200 665 758 1030 1210 1580 1870