Metric Bolt Torque Table
Estimated with clamp load as 75% of proof load
as specified in ISO 898-1 |
Property Class |
8.8
|
10.9
|
12.9 Socket Head Cap Screw
 |
Minimum Tensile Strength MPa |
M6 - M16: 800 M20 - M30: 830 |
1040 |
1220 |
Nominal Size and Thread Pitch |
Torque in Newton Meter - Nm |
| 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 this information is accurate. However, it is the user's responsibility to verify that the provided information is correct before using it.