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| U.S. BOLT TORQUE SPECIFICATIONS |
| Torque in foot/pounds |
|
|
|
|
Grade 2 |
Grade 2 |
Grade 5 |
Grade 5 |
Grade 7 |
Grade 7 |
Grade 8 |
Grade 8 |
Socket head cap screw or
Automotive application |
Socket head cap screw or
Automotive Application |
|
|
Bolt Dia. |
Thread per inch |
Dry |
Oiled |
Dry |
Oiled |
Dry |
Oiled |
Dry |
Oiled |
Dry |
Oiled |
|
|
1/4 |
20 |
4 |
3 |
8 |
6 |
10 |
8 |
12 |
9 |
14 |
11 |
|
|
1/4 |
28 |
6 |
4 |
10 |
7 |
12 |
9 |
14 |
10 |
16 |
13 |
|
|
5/16 |
18 |
9 |
7 |
17 |
13 |
21 |
16 |
25 |
18 |
29 |
23 |
|
|
5/16 |
24 |
12 |
9 |
19 |
14 |
24 |
18 |
29 |
20 |
33 |
26 |
|
|
3/8 |
16 |
16 |
12 |
30 |
23 |
40 |
30 |
45 |
35 |
49 |
39 |
|
|
3/8 |
24 |
22 |
16 |
35 |
25 |
45 |
35 |
50 |
40 |
54 |
44 |
|
|
7/16 |
14 |
24 |
17 |
50 |
35 |
60 |
45 |
70 |
55 |
76 |
61 |
|
|
7/16 |
20 |
34 |
26 |
55 |
40 |
70 |
50 |
80 |
60 |
85 |
68 |
|
|
1/2 |
13 |
38 |
31 |
75 |
55 |
95 |
70 |
110 |
80 |
113 |
90 |
|
|
1/2 |
20 |
52 |
42 |
90 |
65 |
100 |
80 |
120 |
90 |
126 |
100 |
|
|
9/16 |
12 |
52 |
42 |
110 |
80 |
135 |
100 |
150 |
110 |
163 |
130 |
|
|
9/16 |
18 |
71 |
57 |
120 |
90 |
150 |
110 |
170 |
130 |
181 |
144 |
|
|
5/8 |
11 |
98 |
78 |
150 |
110 |
140 |
140 |
220 |
170 |
230 |
184 |
|
|
5/8 |
18 |
115 |
93 |
180 |
130 |
210 |
160 |
240 |
180 |
255 |
204 |
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|
3/4 |
10 |
157 |
121 |
260 |
200 |
320 |
240 |
380 |
280 |
400 |
320 |
|
|
3/4 |
16 |
180 |
133 |
300 |
220 |
360 |
280 |
420 |
320 |
440 |
350 |
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|
7/8 |
9 |
210 |
160 |
430 |
320 |
520 |
400 |
600 |
460 |
640 |
510 |
|
|
7/8 |
14 |
230 |
177 |
470 |
360 |
580 |
440 |
660 |
500 |
700 |
560 |
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|
1 |
8 |
320 |
240 |
640 |
480 |
800 |
600 |
900 |
680 |
980 |
780 |
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1 |
12 |
350 |
265 |
710 |
530 |
860 |
666 |
990 |
740 |
1060 |
845 |
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| U.S. BOLT TORQUE SPECIFICATIONS |
| Torque in inch/pounds |
|
|
|
|
Grade 2 |
Grade 2 |
Grade 5 |
Grade 5 |
Grade 7 |
Grade 7 |
Grade 8 |
Grade 8 |
Socket head cap screw or
Automotive application |
Socket head cap screw or
Automotive Application |
|
|
Bolt Dia. |
Thread per inch |
Dry |
Oiled |
Dry |
Oiled |
Dry |
Oiled |
Dry |
Oiled |
Dry |
Oiled |
|
|
1/4 |
20 |
48 |
36 |
96 |
72 |
120 |
96 |
144 |
108 |
168 |
132 |
|
|
1/4 |
28 |
72 |
48 |
120 |
84 |
144 |
108 |
168 |
120 |
192 |
156 |
|
|
5/16 |
18 |
108 |
84 |
204 |
156 |
252 |
192 |
300 |
216 |
348 |
276 |
|
|
5/16 |
24 |
144 |
108 |
228 |
168 |
288 |
216 |
348 |
240 |
396 |
312 |
|
|
3/8 |
16 |
192 |
144 |
360 |
276 |
480 |
360 |
540 |
420 |
588 |
468 |
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3/8 |
24 |
264 |
192 |
420 |
300 |
540 |
420 |
600 |
480 |
648 |
528 |
|
|
7/16 |
14 |
288 |
204 |
600 |
420 |
720 |
540 |
840 |
660 |
912 |
732 |
|
|
7/16 |
20 |
408 |
312 |
660 |
480 |
840 |
600 |
960 |
720 |
1020 |
816 |
|
|
1/2 |
13 |
456 |
372 |
900 |
660 |
1140 |
840 |
1320 |
960 |
1356 |
1080 |
|
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1/2 |
20 |
624 |
504 |
1080 |
780 |
1200 |
960 |
1440 |
1080 |
1512 |
1200 |
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9/16 |
12 |
624 |
504 |
1320 |
960 |
1620 |
1200 |
1800 |
1320 |
1956 |
1560 |
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9/16 |
18 |
852 |
684 |
1440 |
1080 |
1800 |
1320 |
2040 |
1560 |
2172 |
1728 |
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5/8 |
11 |
1176 |
936 |
1800 |
1320 |
1680 |
1680 |
2640 |
2040 |
2760 |
2208 |
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|
5/8 |
18 |
1380 |
1116 |
2160 |
1560 |
2520 |
1920 |
2880 |
2160 |
3060 |
2448 |
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|
3/4 |
10 |
1884 |
1452 |
3120 |
2400 |
3840 |
2880 |
4560 |
3360 |
4800 |
3840 |
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|
3/4 |
16 |
2160 |
1596 |
3600 |
2640 |
4320 |
3360 |
5040 |
3840 |
5280 |
4200 |
|
|
7/8 |
9 |
2520 |
1920 |
5160 |
3840 |
6240 |
4800 |
7200 |
5520 |
7680 |
6120 |
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|
7/8 |
14 |
2760 |
2124 |
5640 |
4320 |
6960 |
5280 |
7920 |
6000 |
8400 |
6720 |
|
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1 |
8 |
3840 |
2880 |
7680 |
5760 |
9600 |
7200 |
10800 |
8160 |
11760 |
9360 |
|
|
1 |
12 |
4200 |
3180 |
8520 |
6360 |
10320 |
7992 |
11880 |
8880 |
12720 |
10140 |
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