Standard Torque for Metric Fasteners
The following tables give general torques for metric bolts, nuts, and taperlock studs of Grade 8.8.
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| TORQUES FOR BOLTS AND FOR NUTS | ||
|---|---|---|
| THREAD SIZE METRIC |
STANDARD BOLT AND NUT TORQUE | |
| N·m | lb ft | |
| M6 | 12 ± 3 | 9 ± 2 |
| M8 | 28 ± 7 | 20 ± 5 |
| M10 | 55 ± 10 | 40 ± 7 |
| M12 | 100 ± 20 | 75 ± 15 |
| M14 | 160 ± 30 | 120 ± 22 |
| M16 | 240 ± 40 | 175 ± 30 |
| M20 | 460 ± 60 | 340 ± 45 |
| M24 | 800 ± 100 | 600 ± 75 |
| M30 | 1600 ± 200 | 1200 ± 150 |
| M36 | 2700 ± 300 | 2000 ± 225 |
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| TORQUES FOR TAPERLOCK STUDS | ||
|---|---|---|
| THREAD SIZE METRIC |
STANDARD TAPERLOCK STUD TORQUE | |
| N·m | lb ft | |
| M6 | 8 ± 3 | 6 ± 2 |
| M8 | 17 ± 5 | 13 ± 4 |
| M10 | 35 ± 5 | 26 ± 4 |
| M12 | 65 ± 10 | 48 ± 7 |
| M16 | 110 ± 20 | 80 ± 15 |
| M20 | 170 ± 30 | 125 ± 22 |
| M24 | 400 ± 60 | 300 ± 45 |
| M30 | 750 ± 80 | 550 ± 60 |
| M36 | 1200 ± 150 | 890 ± 110 |
Caterpillar Information System:
143H and 163H Motor Graders General Torque Information
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CIPI UNDERCARRIAGE Arrangements: 9Q5221, 9Q5234, 9Q5243, 9Q5245, 9Q5246, 9Q5247, 9Q5385, 9Q5433, 9Q5482, 9Q5622, 9Q5661, 9Q5719, 9Q5720, 9Q5721, 9Q5722, 9Q5830, 9Q5840, 9Q5857, 9Q5874, 9Q5883, 9Q5930 and 9Q5940 Fire Prevention and Explosion Prevention
CIPI UNDERCARRIAGE Arrangements: 9Q-5195, 9Q-5197, 9Q-5198, 9Q-5232, 9Q-5504, 9Q-5643, 9Q-5651, 9Q-5727, 9Q-5728, 9Q-5729, 9Q-5730, 9Q-5731, 9Q-5747, 9Q-5876, 180-4029, and 213-3892 Burn Prevention
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CIPI UNDERCARRIAGE Arrangements: 9Q-5195, 9Q-5197, 9Q-5198, 9Q-5232, 9Q-5504, 9Q-5643, 9Q-5651, 9Q-5727, 9Q-5728, 9Q-5729, 9Q-5730, 9Q-5731, 9Q-5747, 9Q-5876, 180-4029, and 213-3892 Standard Torque for Inch Fasteners
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