Metric Fine Thread Bolt Torque

 

The following table shows the tightening torque for metric fine thread fasteners. In the List you find the metric fine torque unit in Nm and ft lbs. You can also made an conversion from the unit Nm to ft lbs and also from ft lbs to Nm. Please find all technical information in the following metric fine torque chart.

 

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Fine Thread Bolt Torque Chart Metric

   

Recommended torque fine thread

tightening torque in (Nm)

tightening torque in (ft lbs)

Metric thread sizes

 

Metric Strength classes

Torque Unit

8.8 10.9 12.9
M8 x 1,00 Nm 29 43 50
ft lbs 21 32 37
M9 x 1,00 Nm 43 63 73
ft lbs 32 46 54
M10 x 1,00 Nm 60 88 103
ft lbs 44 65 76
M10 x 1,25 Nm 57 83 98
ft lbs 42 61 72
M12 x 1,25 Nm 101 149 174
ft lbs 74 110 128
M12 x 1,50 Nm 97 143 167
ft lbs 72 105 123
M14 x 1,50 Nm 159 234 274
ft lbs 117 173 202
M16 x 1,50 Nm 244 359 420
ft lbs 180 265 310
M18 x 1,50 Nm 368 523 613
ft lbs 271 386 452
M18 x 2,00 Nm 348 496 581
ft lbs 257 366 429
M20 x 1,50 Nm 511 728 852
ft lbs 377 537 628
M22 x 1,50 Nm 692 985 1153
ft lbs 510 726 850
M24 x 1,50 Nm 899 1280 1498
ft lbs 663 944 1105
M24 x 2,00 Nm 865 1232 1442
ft lbs 638 909 1064
M27  x 1,50 Nm 1304 1858 2174
ft lbs 962 1370 1603
M27 x 2,00 Nm 1262 1797 2103
ft lbs 931 1325 1551
M30 x 2,00 Nm 1756 2502 2927
ft lbs 1295 1845 2159
M33 x 2,00 Nm 2352 3350 3921
ft lbs 1735 2471 2892
M36 x 2,00 Nm 3082 4390 5137
ft lbs 2273 3238 3789
M39 x 2,00 Nm 3953 5631 6589
ft lbs 2916 4153 4860

* All information without guarantee.

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Preload forces for screw connections

 

In a screw connection, two or more parts are joined together. The preload force is the force exerted by a screw or screw connection on the components. If the preload force is high enough and the screw connection is selected correctly, the screwed parts behave like one part and are therefore firmly connected.

 

Preload forces for fine threads

 

Preload force Table for fine threads

Preload force in (N) 

Metric thread sizes

Strength classes

8.8 10.9 12.9
M8 x 1,00 19700 28900 33900
M9 x 1,00 25900 38000 44400
M10 x 1,00 32900 48300 56500
M10 x 1,25 3800 45200 52900
M12 x 1,25 46800 68700 80400
M12 x 1,50 44300 65100 76200
M14 x 1,50 63200 92900 108700
M16 x 1,50 85500 125500 146900
M18 x 1,50 115000 163000 191000
M18 x 2,00 107000 152000 178000
M20 x 1,50 144000 260000 241000
M22 x 1,50 178000 253000 296000
M24 x 1,50 214000 305000 357000
M24 x 2,00 240000 290000 339000
M27  x 1,50 276000 393000 460000
M27 x 2,00 264000 375000 439000
M30 x 2,00 331000 472000 552000
M33 x 2,00 407000 580000 678000
M36 x 2,00 490000 698000 817000
M39 x 2,00 581000 858000 969000

* All information without guarantee

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