0142
TM 1-1740-221-13&P&P
TORQUE LIMITS - (CONTINUED)
Table 4. Metric Torque Chart
Metric Bolt Torque Table
Estimated with clamp load as 75% of proof load
as speciied in ISO 898-1
8.8
10.9
Property Class
12.9 Socket Head
Cap Screw
8.8
WP0130F5
Minimum Tensile
M6 - M16: 800 M20 - 1040
1220
Strength MPa
M30: 830
Nominal Size and
Bolt Torque Specs in Foot Pounds or (Inch Pounds)
Thread Pitch
DRY
LUBED
DRY
LUBED
DRY
LUBED
M5 x 0.80
-54
-41
-78
-59
-91
-68
M6 x 1.00
-92
-69
-133
-99
-156
-116
M7 x 1.00
-156
-116
-222
-167
-260
-195
M8 x 1.25
-225
-169
-333
-242
-377
-284
M10 x 1.50
37
28
53
40
62
47
M12 x 1.75
65
49
93
69
108
81
M14 x 2.00
104
78
148
111
173
130
M16 x 2.00
161
121
230
172
269
202
M18 x 2.50
222
167
318
238
372
279
M20 x 2.50
314
235
449
337
525
394
M22 x 2.50
428
321
613
460
716
537
M24 x 3.00
543
407
776
582
908
681
M27 x 3.00
796
597
1139
854
1331
998
M30 x 3.50
1079
809
1543
1158
1804
1353
M33 x 3.50
1468
1101
2101
1576
2455
1842
M36 x 4.00
1886
1415
2699
2024
3154
2366
Table 5. Metric Torque Chart (Course Thread/Pitch)
Metric Steel Bolts
Torque Speciications
Standard Dry Torque in Foot-Pounds
Bolt Size
Coarse
Standard
Standard
Standard
Standard
Millimeters
Thread Pitch 5D 71,160
8G 113,800
10K 142,000
12K 170,674
psi Med.
psi Med.
psi Med.
psi Med.
Carbon
Carbon
Carbon
Carbon
Steel
Steel
Steel
Steel
5
6 mm
1
6
8
10
8 mm
1
10
16
22
27
10 mm
1.25
31
40
45
49
12 mm
1.25
34
54
70
86
55
14 mm
1.25
89
117
137
16 mm
2
83
132
175
208
18 mm
2
111
182
236
283
22 mm
2.5
182
284
394
464
24 mm
3
261
419
570
689
01423