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TABLE OF STANDARD HARDWARE TIGHTENING TORQUES
unless
stated
otherwise
for
a
specific
assembly,
use
the
following
torque values when tightening standard hardware.
pitch
Ib-ft
kg-m
Grade 4T
6mm bolt/nut
1
2.9
-
5.1
0.4
-
0.7
8mm bolt/nut
1. 25
7.2
-
11.6
1.0
-
1.6
10mm bolt/nut
1. 25
13.7
-
22.4
1.9
-
3.1
10mm bolt/nut
1.5
13.0
-
21. 7
1. 8 -
3.0
12mm bolt/nut
1. 25 (ISO)
25.3
-
39.8
3.5 -
5.5
12mm bolt/nut
1.5
25.3
-
39.8
3.5
-
5.5
12mm bolt/nut
1. 75
21.7
-
36.2
3.0
-
5.0
13mm bolt/nut
1.5
32.5
-
50.6
4.5 -
7.0
14mm bolt/nut
1.5
36.2
-
57.9
5.0
-
8.0
14mm bolt/nut
2
34.0
-
55.7
4.7
-
7.7
16mm bolt/nut
1.5
54.2
-
79.6
7.5 - 11. 0
16mm bolt/nut
2
51. 4
-
76.7
7.1 - 10.6
Grade 6T
6mm bolt/nut
1
4.3
-
6.5
0.6 -
0.9
8mm bolt/nut
1. 25
10.8
-
15.9
1. 5 -
2.2
10mm bolt/nut
1. 25
21. 7
-
32.5
3.0
-
4.5
10mm bolt/nut
1.5
19.5 -
30.4
2.7
-
4.2
12mm bolt/nut
1.25(ISO)
36.2
-
57.9
5.0
-
8.0
12mm bolt/nut
1.5
36.2
-
50.6
5.0
-
7.0
12mm bolt/nut
1. 75
34.7
-
49.2
4.8
-
6.8
Gr ade 7T, 8T and 8.8
6mm bolt/nut
1
5.8
-
8.7
0.8
-
1.2
8mm bolt/nut
1. 25
14.5 -
21. 7
2.0
-
3.0
10mm bolt/nut
1. 25
2B.9
-
39.8
4.0
-
5.5
10mm bolt/nut
1.5
26.B
-
37.6
3.7
-
5.2
12mm bolt/nut
1. 25 (ISO)
54.2
-
75.9
7.5 - 10.5
12mm bolt/nut
1.5
50.6 -
65.1
7.0
-
9.0
12mm bolt/nut
1. 75
43.4
-
61.5
6.0
-
8.5
13mm bolt/nut
1.5
57.9
-
86.8
8.0
-
12.0
14mm bolt/nut
1.5
72.3 - 108.5
10.0
-
15.0
14mm bolt/nut
2
6B.7
-
101. 3
9.5 - 14.0
16mm bolt/nut
1.5
10B.5
-
166.4
15.0
-
23.0
16mm bolt/nut
2
101. 3 - 159.1
14.0
-
22.0
Gr ade 5 capscrew
1/4 UNC
9
11
1.2
-
1.5
1/4 UNF
11
13
1. 5 -
1.8
5/16 UNC
1B
20
2.5
-
2.8
5/16 UNF
21
23
2.9
-
3.2
3/8 UNC
28
33
3.7
-
4.6
3/8 UNF
30
35
4.1
-
4.8
7/16 UNC
44
49
6.1
-
6.8
7/16 UNF
50
55
6.9
-
7. 6
1/2 UNC
68
73
9.4
-
10.1
1/2 UNF
73
80
10.1
-
11.1
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