TM 5-3895-379-23-2
0284
GENERAL TORQUE VALUES - Continued
Wet Torque Values - Continued
Table 2.
Wet Socket Head Screw Torque Limits - Continued.
Socket Head Socket Head
Socket Flat
Socket Flat
or 12-Point
or 12-Point
Head
Head
Size
Capscrews Lubricated
Torque lb-ft
Torque Nm
Torque lb-ft
Torque Nm
1/2-13
70
94.9
36
48.8
SOCKET
9/16-12
106
143.7
53
71.8
FLAT HEAD
5/8-11
212
287.4
106
143.7
3/4-10
375
508.4
187
253.5
1-8
781
1058.9
Figure 6.
Socket Head
Capscrew.
Metric Bolt and Cap Screw Torque Values
In Figure 7 the top row is property class and head markings, the bottom row is property class and nut markings.
M1322SWR
Figure 7.
Metric Screw Head and Nut Markings.
Table 3.
Metric Screw Torque Values.
Class 4.8
Class 8.8 or 9.8
Class 10.9
Class 12.9
Lubricate
Lubricate
Lubricate
Lubricate
Dry b
Dry b
Dry b
Dry b
Thread
a
a
a
da
d
d
d
Size
lb-ft (Nm)
lb-ft (Nm)
lb-ft (Nm)
lb-ft (Nm)
lb-ft (Nm)
lb-ft (Nm)
lb-ft (Nm)
lb-ft (Nm)
M6
3.5 (4.7)
4.4 (6)
6.6 (9)
8.5 (11.5)
9.5 (13)
12.2 (16.5) 11.5 (15.5) 14.5 (19.5)
M8
8.5 (11.5)
10.7 (14.5)
16 (22)
20.5 (28)
23.5 (32)
29.5 (40)
27.5 (37)
35 (47)
03/15/2011Rel(1.8)root(torquewp)wpno(M00222)