Previous Standard
|
Grade (Strength grade) |
Bolt size |
Bolt diameter mm |
Hexagonal width across flats mm |
Pitch mm |
Tightening torque (Without lubricant) |
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|
Hexagon head bolt |
Hexagon flange bolt |
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|
N.m |
kg-m |
ft-lb |
in-lb |
N.m |
kg-m |
ft-lb |
in-lb |
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|
4T |
M6 |
6.0 |
10 |
1.0 |
5.5 |
0.56 |
4 |
49 |
7 |
0.71 |
5 |
62 |
|
M8 |
8.0 |
12 |
1.25 |
13.5 |
1.4 |
10 |
-- |
17 |
1.7 |
13 |
-- |
|
|
1.0 |
13.5 |
1.4 |
10 |
-- |
17 |
1.7 |
13 |
-- |
||||
|
M10 |
10.0 |
14 |
1.5 |
28 |
2.9 |
21 |
-- |
35 |
3.6 |
26 |
-- |
|
|
1.25 |
28 |
2.9 |
21 |
-- |
35 |
3.6 |
26 |
-- |
||||
|
M12 |
12.0 |
17 |
1.75 |
45 |
4.6 |
33 |
-- |
55 |
5.6 |
41 |
-- |
|
|
1.25 |
45 |
4.6 |
33 |
-- |
65 |
6.6 |
48 |
-- |
||||
|
M14 |
14.0 |
19 |
1.5 |
80 |
8.2 |
59 |
-- |
100 |
10 |
74 |
-- |
|
|
7T |
M6 |
6.0 |
10 |
1.0 |
9 |
0.92 |
7 |
80 |
11 |
1.1 |
8 |
97 |
|
M8 |
8.0 |
12 |
1.25 |
22 |
2.2 |
16 |
-- |
28 |
2.9 |
21 |
-- |
|
|
1.0 |
22 |
2.2 |
16 |
-- |
28 |
2.9 |
21 |
-- |
||||
|
M10 |
10.0 |
14 |
1.5 |
45 |
4.6 |
33 |
-- |
55 |
5.6 |
41 |
-- |
|
|
1.25 |
45 |
4.6 |
33 |
-- |
55 |
5.6 |
41 |
-- |
||||
|
M12 |
12.0 |
17 |
1.75 |
80 |
8.2 |
59 |
-- |
100 |
10 |
74 |
-- |
|
|
1.25 |
80 |
8.2 |
59 |
-- |
100 |
10 |
74 |
-- |
||||
|
M14 |
14.0 |
19 |
1.5 |
130 |
13 |
96 |
-- |
170 |
17 |
125 |
-- |
|
|
9T |
M6 |
6.0 |
10 |
1.0 |
11 |
1.1 |
8 |
-- |
13.5 |
1.4 |
10 |
-- |
|
M8 |
8.0 |
12 |
1.25 |
28 |
2.9 |
21 |
-- |
35 |
3.6 |
26 |
-- |
|
|
1.0 |
28 |
2.9 |
21 |
-- |
35 |
3.6 |
26 |
-- |
||||
|
M10 |
10.0 |
14 |
1.5 |
55 |
5.6 |
41 |
-- |
80 |
8.2 |
59 |
-- |
|
|
1.25 |
55 |
5.6 |
41 |
-- |
80 |
8.2 |
59 |
-- |
||||
|
M12 |
12.0 |
17 |
1.75 |
100 |
10 |
74 |
-- |
130 |
13 |
96 |
-- |
|
|
1.25 |
100 |
10 |
74 |
-- |
130 |
13 |
96 |
-- |
||||
|
M14 |
14.0 |
19 |
1.5 |
170 |
17 |
125 |
-- |
210 |
21 |
155 |
-- |
|