Bercomac BERCO 700843, Owner'S Manual

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Torque specification table
27
Torque specification table
TO BE USED WHEN A TIGHTENING TORQUE IS NOT SPECIFIED IN THE TEXT
•
The following table shows the minimum torque requirement
•
Maximum is 15% more than the minimum (example: min100 Nm -> max is 115Nm)
•
If specific thread is not specified in the part list or manual, the bolt thread is coarse
•
N m = Newton x meter
•
Ft-lb = foot pounds
•
Il bolt is lubricated, divide the torque value by 1.33
IMPERIAL THREAD
Nominal
Thread
Diameter
UNC UNF
Thread
/ inch
Grade 2 Grade 5 Grade 8
Thread
/ inch
Grade 2 Grade 5 Grade 8
N m Ft-lb N m Ft-lb N m Ft-lb N m Ft-lb N m Ft-lb N m Ft-lb
1/4" 20 7.4 5.6 11 8 16 12 28 8.5 6 13 10 18 14
5/16" 18 15 11 24 17 33 25 24 17 13 26 19 37 27
3/8" 16 27 20 42 31 59 44 24 31 22 47 35 67 49
7/16" 14 43 32 67 49 95 70 20 49 36 75 55 105 78
1/2" 13 66 49 105 76 145 105 20 75 55 115 85 165 120
9/16 12 95 70 150 110 210 155 18 105 79 165 120 235 170
5/8 11 130 97 205 150 285 210 18 150 110 230 170 325 240
3/4 10 235 170 360 265 510 375 16 260 190 405 295 570 420
7/8 9 225 165 585 430 820 605 14 250 185 640 475 905 670
1 8 340 250 875 645 1230 910 12 370 275 955 705 1350 995
1-1/8 7 480 355 1080 795 1750 1290 12 540 395 1210 890 1960 1440
1-1/4 7 680 500 1520 1120 2460 1820 12 750 555 1680 1240 2730 2010
1-3/8 6 890 655 1990 1470 3230 2380 12 1010 745 2270 1670 3680 2710
METRIC THREAD
Nominal
Thread
Diameter
COARSE THREAD FINE THREAD
Pitch
(mm)
Class 5.8 Class 8.8 Class 10.9
Pitch
(mm)
Class 5.8 Class 8.8 Class 10.9
N m
Ft-lb
N m
Ft-lb
N m
Ft-lb
N m
Ft-lb
N m
Ft-lb
N m
Ft-lb
M5 0.8 4 3 6 5 9 7 - - - - - - -
M6 1 7 5 11 8 15 11 - - - - - - -
M8 1.25 17 12 26 19 36 27 1 18 13 28 21 39 29
M10 1.5 33 24 52 39 72 53 0.75 39 29 61 45 85 62
M12 1.75 58 42 89 67 125 93 1.25 58 42 95 70 135 99
M14 2 92 68 145 105 200 150 1.5 99 73 155 115 215 160
M16 2 145 105 225 165 315 230 1.5 155 115 240 180 335 245
M18 2.5 195 145 310 230 405 300 1.5 220 165 350 260 485 355
M20 2.5 280 205 440 325 610 450 1.5 310 230 650 480 900 665
M24 3 480 355 760 560 1050 780 2 525 390 830 610 1150 845
M30 3.5 960 705 1510 1120 2100 1550 2 1060 785 1680 1240 2320 1710