T-340
7–48
Table 7–6 Recommended Bolt Torque Values (Dry, Non-Lubricated for 18-8 Stainless Steel)
Bolt Diameter
Threads
In-Lbs.
Ft-Lbs.
N-m
Free Spinning
#4
40
5.2
0.4
0.6
#6
32
9.6
0.8
1.1
#8
32
20
1.7
2.3
#10
24
23
1.9
2.6
1/4
20
75
6.3
8.5
5/16
18
132
11
14.9
3/8
16
240
20
27.1
7/16
14
372
31
42
1/2
13
516
43
58.3
9/16
12
684
57
77.3
5/8
11
1104
92
124.7
3/4
10
1488
124
168.1
Non Free Spinning (Locknuts etc.)
1/4
20
82.5
6.9
9.3
5/16
18
145.2
12.1
16.4
3/8
16
264
22.0
29.8
7/16
14
409.2
34.1
46.2
1/2
13
567.6
47.3
64.1
9/16
12
752.4
62.7
85
5/8
11
1214.4
101.2
137.2
3/4
10
1636.8
136.4
184.9
