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PRODUCT

PRODUCT

Specification Bolt Torque Reference

Bolt level 4.8  6.8  8.8  10.9  12.9
Minimum breaking strength 392Mpa  588Mpa 784Mpa  941Mpa 1176Mpa
Bolt specification

Nut to the side

(mm)

Inner hexagon

（mm)

Torque
Nm
M14 22 12 69 98 137 165 225
M16 24 14 98 137 206 247 353
M18 27 14 137 206 284 341 480
M20 30 17 176 296 402 569 480
M22 32 17 225 333 539 765 991
M24 36 19 314 470 686 981 1176
M27 41 19 441 637 1029 1472 1764
M30 46 22 588 882 1225 1962 2350
M33 50 24 735 1127 1470 2060 2450
M36 55 27 980 1470 1764 2453 2940
M39 60 27/30 1176 1764 2156 2943 3626
M42 65 32 1519 2352 2744 3826 4606
M45 70 - 1764 2744 3136 4415 5390
M48 75 36 2254 3430 3920 5592 6664
M52 80 36 2744 4116 4704 6573 8330
M56 85 41 3528 5149 5978 8437 10290
M60 90 46 4018 5978 7742 10791 13230
M64 95 46 4998 7448 8820
M68 100 50 5684 8528 10780
M72 105 55 6468 9800 12640
M76 110 60 7350 10780 14700
M80 115 65 8143 12250 18130
M85 120 70 8820 13720 22050
M90 130 70/75 10584 16170 24500
M100 145 85 13720 20090
M110 155 - 16366 24990
M120 175 - 19894 29890

Remarks:

1. The above data is for reference only. When processing the specific connection, please follow the process regulations or confirm with the equipment manufacturer.
2. The above data is the German industrial standard. The torque value in the table is measured when the bolt reaches 70% of the yield limit.
3. When tightening bolts or nuts, it is recommended that the tightening torque be 70%-80% of the value in the table.
4. According to experience, the disassembly torque is about 1.5 times of the tightening torque, depending on the actual situation.

Common torque unit conversion

  • 1Nm=0.7376Ft.lbs
  • Ft.lbs=1.3558 Nm
  • 1Nm=8.8507 Ft..in
  • Ft..in =0.1130 Nm
  • 1Nm=0.1019Kgf.m
  • Kgf.m= 9.8068Nm
  • 1Nm=10.1970 Kgf.cm
  • Kgf.cm=0.0981 Nm