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Torque Values Chart
Bolt Size
(inches)
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Bolt Size
(Metric)
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in
tpi
Nm ft.-lbs. Nm ft.-lbs. Nm ft.-lbs. mm x pitch Nm ft.-lbs. Nm ft.-lbs. Nm ft.-lbs.
1/4”
20
7.4 5.6 11 8 16 12
M5 x 0.8
436597
1/4”
28
8.5 613101814
M6 x 1
751181511
5/16”
18
15 11 24 17 33 25
M8 x 1.25
17 12 26 19 36 27
5/16”
24
17 13 26 19 37 27
M8 x 1
18 13 28 21 39 29
3/8”
16
27 20 42 31 59 44
M10 x 1.5
33 24 52 39 72 53
3/8”
24
31 22 47 35 67 49
M10 x 0.75
39 29 61 45 85 62
7/16”
14
43 32 67 49 95 70
M12 x 1.75
58 42 91 67 125 93
7/16”
20
49 36 75 55 105 78
M12 x 1.5
60 44 95 70 130 97
1/2”
13
66 49 105 76 145 105
M12 x 1
90 66 105 77 145 105
1/2”
20
75 55 115 85 165 120
M14 x 2
92 68 145 105 200 150
9/16”
12
95 70 150 110 210 155
M14 x 1.5
99 73 155 115 215 160
9/16”
18
105 79 165 120 235 170
M16 x 2
145 105 225 165 315 230
5/8”
11
130 97 205 150 285 210
M16 x 1.5
155 115 240 180 335 245
5/8”
18
150 110 230 170 325 240
M18 x 2.5
195 145 310 230 405 300
3/4”
10
235 170 360 265 510 375
M18 x 1.5
220 165 350 260 485 355
3/4”
16
260 190 405 295 570 420
M20 x 2.5
280 205 440 325 610 450
7/8”
9
225 165 585 430 820 605
M20 x 1.5
310 230 650 480 900 665
7/8”
14
250 185 640 475 905 670
M24 x 3
480 355 760 560 1050 780
1”
8
340 250 875 645 1230 910
M24 x 2
525 390 830 610 1150 845
1”
12
370 275 955 705 1350 995
M30 x 3.5
960 705 1510 1120 2100 1550
1-1/8”
7
480 355 1080 795 1750 1290
M30 x 2
1060 785 1680 1240 2320 1710
1-1/8”
12
540 395 1210 890 1960 1440
M36 x 3.5
1730 1270 2650 1950 3660 2700
1-1/4”
7
680 500 1520 1120 2460 1820
M36 x 2
1880 1380 2960 2190 4100 3220
1-1/4”
12
750 555 1680 1240 2730 2010
KEY:
in
tpi = nominal thread diameter in inches threads per inch
Nm = Newton-meter
ft.-lbs. = foot pounds
mm x pitch = nominal thread diameter in millimeters by thread pitch
1-3/8”
6
890 655 1990 1470 3230 2380
1-3/8”
12
1010 745 2270 1670 3680 2710
1-1/2”
6
1180 870 2640 1950 4290 3160
1-1/2”
12
1330 980 2970 2190 4820 3560
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Grade 2
Class 5.8
5.8 8.8
10.9
Class 8.8 Class 10.9
Grade 5
Grade 8
Torque Values
Chart