Legend:
d1 - the nominal diameter of the thread
k - head height
d2 - head diameter
t - groove depth
L - length of bolt
s - groove width
Makings:
Steel: 8.8,10.9,12.9
Stainless: A2,A4
Plastic: -
Non Ferrous: -
Thread: 6g, 5g6g for strength 12.9
Notes:
-
Table according to ISO 14579:
Thread d |
M2 |
M2,5 |
M3 |
M4 |
M5 |
M6 |
M8 |
P |
0,4 |
0,45 |
0,5 |
0,7 |
0,8 |
1 |
1,25 |
b |
ref. |
16 |
17 |
18 |
20 |
22 |
24 |
28 |
dk |
max.c |
3,8 |
4,5 |
5,5 |
7 |
8,5 |
10 |
13 |
max.d |
3,98 |
4,68 |
5,68 |
7,22 |
8,72 |
10,22 |
13,27 |
min. |
3,62 |
4,32 |
5,32 |
6,78 |
8,28 |
9,78 |
12,73 |
da |
max. |
2,6 |
3,1 |
3,6 |
4,7 |
5,7 |
6,8 |
9,2 |
ds |
max. |
2 |
2,5 |
3 |
4 |
5 |
6 |
8 |
min. |
1,86 |
2,36 |
2,86 |
3,82 |
4,82 |
5,82 |
7,78 |
lf |
max. |
0,51 |
0,51 |
0,51 |
0,6 |
0,6 |
0,68 |
1,02 |
k |
max |
2 |
2,5 |
3 |
4 |
5 |
6 |
8 |
min. |
1,86 |
2,36 |
2,86 |
3,82 |
4,82 |
5,7 |
7,64 |
r |
min. |
0,1 |
0,1 |
0,1 |
0,2 |
0,2 |
0,25 |
0,4 |
v |
max. |
0,2 |
0,25 |
0,3 |
0,4 |
0,5 |
0,6 |
0,8 |
da |
min. |
3,48 |
4,18 |
5,07 |
6,53 |
8,03 |
9,38 |
12,33 |
w |
min. |
0,55 |
0,85 |
1,15 |
1,4 |
1,9 |
2,3 |
3,3 |
inner hexabulator |
size |
6 |
8 |
10 |
20 |
25 |
30 |
45 |
A |
ref. |
1,75 |
2,4 |
2,8 |
3,95 |
4,5 |
5,6 |
7,95 |
t |
max. |
0,84 |
1,04 |
1,27 |
1,8 |
2,03 |
2,42 |
3,31 |
min. |
0,71 |
0,91 |
1,01 |
1,42 |
1,65 |
2,02 |
2,92 |
l |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
nom. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
3 |
2,8 |
3,2 |
+ |
+ |
|
|
|
|
|
|
|
|
|
|
|
|
4 |
3,76 |
4,24 |
+ |
+ |
+ |
+ |
|
|
|
|
|
|
|
|
|
|
5 |
4,76 |
5,24 |
+ |
+ |
+ |
+ |
+ |
+ |
|
|
|
|
|
|
|
|
6 |
5,76 |
6,24 |
+ |
+ |
+ |
+ |
+ |
+ |
|
|
|
|
|
|
|
|
8 |
7,71 |
8,29 |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
|
|
|
|
|
|
10 |
9,71 |
10,29 |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
|
|
|
|
12 |
11,65 |
12,35 |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
16 |
15,65 |
16,35 |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
20 |
19,58 |
20,42 |
2 |
4 |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
25 |
24,58 |
25,42 |
|
|
5,75 |
8 |
4,5 |
7 |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
+ |
30 |
29,58 |
30,42 |
|
|
|
|
9,5 |
12 |
6,5 |
10 |
4 |
8 |
+ |
+ |
+ |
+ |
35 |
34,5 |
35,5 |
|
|
|
|
|
|
11,5 |
15 |
9 |
13 |
6 |
11 |
+ |
+ |
40 |
39,5 |
40,5 |
|
|
|
|
|
|
16,5 |
20 |
14 |
18 |
11 |
16 |
5,75 |
12 |
45 |
44,5 |
45,5 |
|
|
|
|
|
|
|
|
19 |
23 |
16 |
21 |
10,75 |
17 |
50 |
49,5 |
50,5 |
|
|
|
|
|
|
|
|
24 |
28 |
21 |
26 |
15,75 |
22 |
55 |
54,4 |
55,6 |
|
|
|
|
|
|
|
|
|
|
26 |
31 |
20,75 |
27 |
60 |
59,4 |
60,6 |
|
|
|
|
|
|
|
|
|
|
31 |
36 |
25,75 |
32 |
65 |
64,4 |
65,6 |
|
|
|
|
|
|
|
|
|
|
|
|
30,75 |
37 |
70 |
69,4 |
70,6 |
|
|
|
|
|
|
|
|
|
|
|
|
35,75 |
42 |
80 |
79,4 |
80,6 |
|
|
|
|
|
|
|
|
|
|
|
|
45,75 |
52 |
Thread d |
M10 |
M12 |
M14 |
M16 |
M18 |
M20 |
P |
1,5 |
1,75 |
2 |
2 |
2,5 |
2,5 |
b |
ref. |
32 |
36 |
40 |
44 |
48 |
52 |
dk |
max.c |
16 |
18 |
21 |
24 |
27 |
30 |
max.d |
16,27 |
18,27 |
21,33 |
24,33 |
27,33 |
30,33 |
min. |
15,73 |
17,73 |
20,67 |
23,67 |
26,67 |
29,67 |
da |
max. |
11,2 |
13,7 |
15,7 |
17,7 |
20,2 |
22,4 |
ds |
max. |
10 |
12 |
14 |
16 |
18 |
20 |
min. |
9,78 |
11,73 |
13,73 |
15,73 |
17,73 |
19,67 |
lf |
max. |
1,02 |
1,45 |
1,45 |
1,45 |
1,87 |
2,04 |
k |
max |
10 |
12 |
14 |
16 |
18 |
20 |
min. |
9,64 |
11,57 |
13,57 |
15,57 |
17,57 |
19,48 |
r |
min. |
0,4 |
0,6 |
0,6 |
0,6 |
0,6 |
0,8 |
v |
max. |
1 |
1,2 |
1,4 |
1,6 |
1,8 |
2 |
da |
min. |
15,33 |
17,23 |
20,17 |
23,17 |
25,87 |
28,87 |
w |
min. |
4 |
4,8 |
5,8 |
6,8 |
7,8 |
8,6 |
inner hexabulator |
size |
50 |
55 |
60 |
70 |
80 |
90 |
A |
ref. |
8,95 |
11,35 |
13,45 |
15,7 |
17,75 |
20,2 |
t |
max. |
4,02 |
5,21 |
5,99 |
7,01 |
8 |
9,2 |
min. |
3,62 |
4,82 |
5,62 |
6,62 |
7,5 |
8,69 |
l |
ls and lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
nom. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
16 |
15,65 |
16,35 |
|
|
|
|
|
|
|
|
|
|
|
|
20 |
19,58 |
20,42 |
|
|
|
|
|
|
|
|
|
|
|
|
25 |
24,58 |
25,42 |
|
|
|
|
|
|
|
|
|
|
|
|
30 |
29,58 |
30,42 |
|
|
|
|
|
|
|
|
|
|
|
|
35 |
34,5 |
35,5 |
|
|
|
|
|
|
|
|
|
|
|
|
40 |
39,5 |
40,5 |
|
|
|
|
|
|
|
|
|
|
|
|
45 |
44,5 |
45,5 |
5,5 |
13 |
|
|
|
|
|
|
|
|
|
|
50 |
49,5 |
50,5 |
10,5 |
18 |
|
|
|
|
|
|
|
|
|
|
55 |
54,4 |
55,6 |
15,5 |
23 |
10,25 |
29 |
|
|
|
|
|
|
|
|
60 |
59,4 |
60,6 |
20,5 |
28 |
15,25 |
24 |
10 |
20 |
|
|
|
|
|
|
65 |
64,4 |
65,6 |
25,5 |
33 |
20,25 |
29 |
15 |
25 |
11 |
21 |
|
|
|
|
70 |
69,4 |
70,6 |
30,5 |
38 |
25,25 |
34 |
20 |
30 |
16 |
26 |
9,5 |
22 |
|
|
80 |
79,4 |
80,6 |
40,5 |
48 |
35,25 |
44 |
30 |
40 |
26 |
36 |
19,5 |
32 |
15,5 |
28 |
90 |
89,3 |
90,7 |
50,5 |
58 |
45,25 |
54 |
40 |
50 |
36 |
46 |
29,5 |
42 |
25,5 |
38 |
100 |
99,3 |
100,7 |
60,5 |
68 |
55,25 |
64 |
50 |
60 |
46 |
56 |
39,5 |
52 |
35,5 |
48 |
110 |
109,3 |
110,7 |
|
|
65,25 |
74 |
60 |
70 |
56 |
66 |
49,5 |
62 |
45,5 |
58 |
120 |
119,3 |
120,7 |
|
|
75,25 |
84 |
70 |
80 |
66 |
76 |
59,5 |
72 |
55,5 |
68 |
130 |
129,2 |
130,8 |
|
|
|
|
80 |
90 |
76 |
86 |
69,5 |
82 |
65,5 |
78 |
140 |
139,2 |
140,8 |
|
|
|
|
90 |
100 |
86 |
96 |
79,5 |
92 |
75,5 |
88 |
150 |
149,2 |
150,8 |
|
|
|
|
|
|
96 |
106 |
89,5 |
102 |
85,5 |
98 |
160 |
159,2 |
160,8 |
|
|
|
|
|
|
106 |
116 |
99,5 |
112 |
95,5 |
108 |
180 |
179,2 |
180,8 |
|
|
|
|
|
|
|
|
119,5 |
132 |
115,5 |
128 |
200 |
199,075 |
200,925 |
|
|
|
|
|
|
|
|
|
|
135,5 |
148 |
Thread, d |
M2 |
M2,5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
M18 |
M20 |
Nominal length l |
Approximate weight of the screws of carbon in kg 1000 |
3 |
0,155 |
|
|
|
|
|
|
|
|
|
|
|
|
4 |
0,175 |
0,345 |
|
|
|
|
|
|
|
|
|
|
|
5 |
0,195 |
0,375 |
0,67 |
|
|
|
|
|
|
|
|
|
|
6 |
0,215 |
0,405 |
0,71 |
1,5 |
|
|
|
|
|
|
|
|
|
8 |
0,255 |
0,465 |
0,8 |
1,65 |
2,45 |
|
|
|
|
|
|
|
|
10 |
0,295 |
0,525 |
0,88 |
1,8 |
2,7 |
4,7 |
|
|
|
|
|
|
|
12 |
0,355 |
0,585 |
0,96 |
1,95 |
2,95 |
5,07 |
10,9 |
|
|
|
|
|
|
16 |
0,415 |
0,705 |
1,16 |
2,25 |
3,45 |
5,75 |
12,1 |
20,9 |
|
|
|
|
|
20 |
0,495 |
0,825 |
1,36 |
2,65 |
4,01 |
6,53 |
13,4 |
22,9 |
32,1 |
|
|
|
|
25 |
|
0,975 |
1,61 |
3,15 |
4,78 |
7,59 |
15 |
25,4 |
35,7 |
48 |
71,3 |
|
|
30 |
|
|
1,86 |
3,65 |
5,55 |
8,3 |
16,9 |
27,9 |
39,3 |
53 |
77,8 |
111 |
128 |
35 |
|
|
|
4,15 |
6,32 |
9,91 |
18,9 |
30,4 |
42,9 |
58 |
84,4 |
120 |
139 |
40 |
|
|
|
4,65 |
7,09 |
11 |
20,9 |
32,9 |
46,5 |
63 |
91 |
129 |
150 |
45 |
|
|
|
|
7,86 |
12,1 |
22,9 |
36,1 |
50,1 |
68 |
97,6 |
128 |
161 |
50 |
|
|
|
|
8,63 |
13,2 |
24,9 |
30,3 |
54,5 |
73 |
106 |
147 |
172 |
55 |
|
|
|
|
|
14,3 |
26,9 |
42,5 |
58,9 |
78 |
114 |
156 |
183 |
60 |
|
|
|
|
|
15,4 |
28,9 |
45,7 |
63,4 |
84 |
122 |
165 |
194 |
65 |
|
|
|
|
|
|
31 |
48,9 |
67,8 |
90 |
130 |
174 |
205 |
70 |
|
|
|
|
|
|
33 |
52,1 |
71,3 |
96 |
138 |
183 |
216 |
80 |
|
|
|
|
|
|
37 |
58,5 |
80,2 |
108 |
154 |
203 |
241 |
90 |
|
|
|
|
|
|
|
64,9 |
89,1 |
120 |
170 |
223 |
266 |
100 |
|
|
|
|
|
|
|
71,2 |
98 |
132 |
186 |
243 |
291 |
110 |
|
|
|
|
|
|
|
|
116 |
144 |
202 |
263 |
316 |
120 |
|
|
|
|
|
|
|
|
|
156 |
218 |
283 |
341 |
130 |
|
|
|
|
|
|
|
|
|
168 |
234 |
303 |
366 |
140 |
|
|
|
|
|
|
|
|
|
180 |
250 |
323 |
391 |
150 |
|
|
|
|
|
|
|
|
|
|
266 |
343 |
416 |
160 |
|
|
|
|
|
|
|
|
|
|
282 |
363 |
441 |
180 |
|
|
|
|
|
|
|
|
|
|
|
403 |
491 |
200 |
|
|
|
|
|
|
|
|
|
|
|
|
541 |
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