By Diameter and Material (Torque Values In Ft. lbs.)

Property Class
M3
M4
M5
M6
M8
M10
M12
M14
M16
M18
M20
M22
8.8
0.80
1.8
3.6
7
17
33
60
97
150
201
282
390
10.9
1.1
2.6
5.1
10
25
48
85
137
208
287
398
552
12.9
1.3
3.1
6.2
12
29
58
102
165
250
342
479
664
Property Class
M24
M27
M30
M33
M36
M39
M42
M45
M48
M52
M56
M60
8.8
499
746
982
1331
1717
2220
2737
3390
4095
5250
6547
8175
10.9
750
1051
1383
1875
2407
3120
3840
4762
5775
7387
9225
11475
12.9
843
1266
1657
2250
2895
3750
4638
5722
6825
9000
11280
13800
Property Class
M64
M68
M72
M76
M80
M85
M90
M95
M100
Torque Factors To be Considered
8.8
9900
12000
14250
16800
19725
24000
28350
33450
39000
Are Screws Plain, Zinc Plated, Cadmium Plated, or Lubricated Material – PropertyClass
10.9
13950
16950
20100
23625
27600
33225
38925
46875
54750
12.9
17175
20100
24000
28350
33375
40125
47700
56250
66000
All shown values are estimates only, therefore Lindstrom Metric neither implies or guarantees these values. The only way to determine a true torque value is by actual application.