Metric Bolt Torque Table NM - CNCexpo
Metric Bolt Torque Table NM - CNCexpo
Metric Bolt Torque Table NM - CNCexpo
com
CNC Machines
The cutting edge of modern manufacturing technology.
Metric Bolt Torque Table
Estimated with clamp load as 75% of proof load
as specified in ISO 8981
8.8 10.9 12.9 Socket Head
Property Cap Screw
Class
Minimum Tensile M6 M16: 800
1040 1220
Strength MPa M20 M30: 830
Nominal Size Bolt Torque Specs in Newton Meters Nm
and
Thread Pitch Dry Lubed Dry Lubed Dry Lubed
M5 x 0.80 6.1 4.6 8.8 6.7 10.3 7.7
M6 x 1.00 10.4 7.8 15 11.2 17.6 13.1
M7 x 1.00 17.6 13.1 25.1 18.9 29.4 22
M8 x 1.25 25.4 19.1 37.6 27.3 42.6 32.1
M10 x 1.50 50 38 72 54 84 64
M12 x 1.75 88 66 126 94 146 110
M14 x 2.00 141 106 201 150 235 176
M16 x 2.00 218 164 312 233 365 274
M18 x 2.50 301 226 431 323 504 378
M20 x 2.50 426 319 609 457 712 534
M22 x 2.50 580 435 831 624 971 728
M24 x 3.00 736 552 1052 789 1231 923
M27 x 3.00 1079 809 1544 1158 1805 1353
M30 x 3.50 1463 1097 2092 1570 2446 1834
M33 x 3.50 1990 1493 2849 2137 3328 2497
M36 x 4.00 2557 1918 3659 2744 4276 3208
Lubed means cleaned dry bolts lubricated with a standard medium viscosity
machine oil. Lubricate all contact areas of the bolts and washers. Lubricating
the bolts is the suggested method. Thread Engagement
Note: Much effort has been made to make sure that these metric bolt torque specs are accurate.
However, it is the user's responsibility to verify that the provided information is correct before using it.
© 2016 CNCexpo.com
http://www.cncexpo.com/MetricBoltTorqueNm.aspx 1/1