Standard Torque Values - Metric System

STANDARD TORQUE VALUES - METRIC SYSTEM TM 10-4330-237-13 10-4330-237-13&P &P

STANDARD TORQUE VALUES - METRIC SYSTEM

In the absence of specific torque values, the following chart can be used as a guide to the maximum safe torq particular size/grade of fastener. There is no torque difference for fine or coarse threads. Torque values are clean, dry threads. Reduce value value by 10% if threads are oiled before assembly. assembly. Relative Strength Marking

4.6

4.8

8.8 or 9.8

10.9

12.9

Bolt Markings Dia. Dia. Wrench Maxi Maximum mum Torque Torque Maximum aximum TorqueMa TorqueMaxi ximum mum Torque Torque Ma Maxi ximum mum TorqueMax TorqueMaximum imum Torque Size lb ft Nm l b ft Nm l b ft Nm l b ft Nm lb ft Nm M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30

5.5mm 7mm 8mm 10mm 13mm 16mm 18mm 21mm 24mm 27mm 30mm 33mm 36mm 41mm 46mm

.3 .8 1.5 3 7 14 26 37 59 81 118 159 203 295 402

.5 1.1 2.5 4 9.5 19 35 50 80 110 160 215 275 400 545

.5 1 2 4 10 18 33 55 85 118 166 225 288 417 568

.7 1.5 3 5.5 13 25 45 75 115 160 225 305 390 565 770

1 2 4.5 7.5 18 37 63 103 159 225 321 435 553 811 1103

1.3 3 6 10 25 50 85 140 215 305 435 590 750 1100 1495

1.5 3 6.5 11 26 55 97 151 232 321 457 620 789 1154 1571

2 4.5 9 15 35 75 130 205 315 435 620 840 1070 1565 2130

1.5 4 7.5 13 33 63 111 177 273 376 535 726 926 1353 1837

2 5 10 18 45 85 150 240 370 510 725 985 1255 1835 2490