STANDARD BOLT SPECIFIED TORQUE FOR STANDARD BOLTS
Class |
Diameter (mm) |
Pitch (mm) |
Specified torque |
|||||
---|---|---|---|---|---|---|---|---|
Hexagon head bolt |
Hexagon flange bolt |
|||||||
N*m |
kgf*cm |
ft.*lbf |
N*m |
kgf*cm |
ft.*lbf |
|||
4T |
6 |
1 |
5 |
55 |
48 in.*lbf |
6 |
60 |
52 in.*lbf |
8 |
1.25 |
12.5 |
130 |
9 |
14 |
145 |
10 |
|
10 |
1.25 |
26 |
260 |
19 |
29 |
290 |
21 |
|
12 |
1.25 |
47 |
480 |
35 |
53 |
540 |
39 |
|
14 |
1.5 |
74 |
760 |
55 |
84 |
850 |
61 |
|
16 |
1.5 |
115 |
1,150 |
83 |
- |
- |
- |
|
5T |
6 |
1 |
6.5 |
65 |
56 in.*lbf |
7.5 |
75 |
65 in.*lbf |
8 |
1.25 |
15.5 |
160 |
12 |
17.5 |
175 |
13 |
|
10 |
1.25 |
32 |
330 |
24 |
36 |
360 |
26 |
|
12 |
1.25 |
59 |
600 |
43 |
65 |
670 |
48 |
|
14 |
1.5 |
91 |
930 |
67 |
100 |
1,050 |
76 |
|
16 |
1.5 |
140 |
1,400 |
101 |
- |
- |
- |
|
6T |
6 |
1 |
8 |
80 |
69 in.*lbf |
9 |
90 |
78 in.*lbf |
8 |
1.25 |
19 |
195 |
14 |
21 |
210 |
15 |
|
10 |
1.25 |
39 |
400 |
29 |
44 |
440 |
32 |
|
12 |
1.25 |
71 |
730 |
53 |
80 |
810 |
59 |
|
14 |
1.5 |
110 |
1,100 |
80 |
125 |
1,250 |
90 |
|
16 |
1.5 |
170 |
1,750 |
127 |
- |
- |
- |
|
7T |
6 |
1 |
10.5 |
110 |
8 |
12 |
120 |
9 |
8 |
1.25 |
25 |
260 |
19 |
28 |
290 |
21 |
|
10 |
1.25 |
52 |
530 |
38 |
58 |
590 |
43 |
|
12 |
1.25 |
95 |
970 |
70 |
105 |
1,050 |
76 |
|
14 |
1.5 |
145 |
1,500 |
108 |
165 |
1,700 |
123 |
|
16 |
1.5 |
230 |
2,300 |
166 |
- |
- |
- |
|
8T |
8 |
1.25 |
29 |
300 |
22 |
33 |
330 |
24 |
10 |
1.25 |
61 |
620 |
45 |
68 |
690 |
50 |
|
12 |
1.25 |
110 |
1,100 |
80 |
120 |
1,250 |
90 |
|
9T |
8 |
1.25 |
34 |
340 |
25 |
37 |
380 |
27 |
10 |
1.25 |
70 |
710 |
51 |
78 |
790 |
57 |
|
12 |
1.25 |
125 |
1,300 |
94 |
140 |
1,450 |
105 |
|
10T |
8 |
1.25 |
38 |
390 |
28 |
42 |
430 |
31 |
10 |
1.25 |
78 |
800 |
58 |
88 |
890 |
64 |
|
12 |
1.25 |
140 |
1,450 |
105 |
155 |
1,600 |
116 |
|
11T |
8 |
1.25 |
42 |
430 |
31 |
47 |
480 |
35 |
10 |
1.25 |
87 |
890 |
64 |
97 |
990 |
72 |
|
12 |
1.25 |
155 |
1,600 |
116 |
175 |
1,800 |
130 |