TM 5-3990-263-13&P
0071
Table 2. Torque Limits for Wet Socket Head Capscrews
TORQUE IN FT. LBS (CAPSCREWS) LUBRICATED
SIZE
SOC HD or 12 PT
SOC FLAT HD
.10-24
5
2.5
.25-20
12
6
.31-18
25
12
.38-16
44
22
.50-13
70
36
.56-12
106
53
.62-11
212
106
.75-10
375
187
1.00-8
781
3.
Table 3 lists torque limits for dry fasteners. Dry torque limits are used on screws that do not have lubricants
applied to the threads.
Table 3. Torque Limits for Dry Fasteners.
CAPSCREW HEAD MARKINGS
NOTE
Manufacturer's marks may vary. These are all SAE Grade 5.
SAE GRADE NO. 2
SAE GRADE NO. SAE GRADE NO. SAE GRADE NO. DIAMETER
5
6 or 7
8
Threads
TORQUE
IN.
mm
Per
LB-FT
Nm
LB-FT
Nm
LB-FT
Nm
LB-FT
Nm
Inch
1/4
6.35
20
5
7
8
11
10
14
12
16
1/4
6.35
28
6
9
10
14
12
16
14
19
03/15/2011Rel(1.8)root(torquewp)wpno(M02012)