36
NOTE:
Use these torque values when tightening hardware (excluding: locknuts and self-tapping, thread
forming and sheet metal screw) unless specified otherwise.
All torque values are in lb-ft except those marked with an * which are lb-in (for metric torque value NM,
multiply lb-ft value by 1.355 or lb-in value by 0.113).
TORQUE SPECIFICATIONS
Unified
Grade 2
Grade 5
Grade 8
National Thread
Dry
Lubed
Dry
Lubed
Dry
Lubed
8-32
19*
14*
30*
22*
41*
31*
8-36
20*
15*
31*
23*
43*
32*
10-24
27*
21*
43*
32*
60*
45*
10-32
31*
23*
49*
36*
68*
51*
1/4-20
66*
50*
9
75*
12
9
1/4-28
76*
56*
10
86*
14
10
5/16-18
11
9
17
13
25
18
5/16-24
12
9
19
14
25
20
3/8-16
20
15
30
23
45
35
3/8-24
23
17
35
25
50
35
7/16-14
32
24
50
35
70
55
7/16-20
36
27
55
40
80
60
1/2-13
50
35
75
55
110
80
1/2-20
55
40
90
65
120
90
9/16-12
70
55
110
80
150
110
9/16-18
80
60
120
90
170
130
5/8-11
100
75
150
110
220
170
5/8-18
110
85
180
130
240
180
3/4-10
175
130
260
200
380
280
3/4-16
200
150
300
220
420
320
7/8-9
170
125
430
320
600
460
7/8-14
180
140
470
360
660
500
1-8
250
190
640
480
900
680
1-14
270
210
710
530
1000
740
Metric
Grade 8.8
Grade 10.9
Grade 12.9
Course Thread
Dry
Lubed
Dry
Lubed
Dry
Lubed
M6-1
8
6
11
8
13.5
10
M8-1.25
19
14
27
20
32.5
24
M10-1.5
37.5
28
53
39
64
47
M12-1.75
65
48
91.5
67.5
111.5
82
M14-2
103.5
76.5
145.5
108
176.5
131
M16-2
158.5
117.5
223.5
165.5
271
200
8.8
12.9
10.9
