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AAA-055-00297 R2
P a g e
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50
5050 & 5100 OWNER MANUAL
25.
BOLT TORQUE
The tables shown below give correct torque values for various bolts and cap screws. Tighten all bolts
to the torque specified in the chart unless otherwise noted. Check tightness of bolts periodically, using
the bolt torque chart as a guide. Replace hardware with the same strength bolt.
Bolt
Diameter
“A”
Imperial Bolt Torque*
SAE 2
SAE 5
SAE 8
(Nm)
(ft-lb)
(Nm)
(ft-lb)
(Nm)
(ft-lb)
1/4”
4
3
10
8
19
14
5/16”
9
7
23
17
38
28
3/8”
17
13
42
31
69
51
7/16”
21
21
66
49
111
82
1/2”
43
32
101
75
169
125
9/16”
62
46
147
109
244
180
5/8”
86
64
203
150
336
248
3/4”
153
113
362
267
598
441
7/8”
246
182
581
429
962
710
1”
370
273
873
644
1444
1065
Figure 36 - Imperial Bolt Markings
Bolt
Diameter
“A”
Metric Bolt Torque*
8.8
10.9
(Nm)
(ft-lb)
(Nm)
(ft-lb)
M4
3.1
2.3
4.3
3.2
M5
6.1
4.5
8.8
6.5
M6
10.4
7.7
15.0
11.1
M8
25.5
18.8
36.5
26.9
M10
50.4
37.2
72.1
53.2
M12
88.0
64.9
125.8
92.8
M14
140.6
103.7
201.2
148.4
M16
218.3
161
311.8
230
M20
425.7
314
608.8
449
M24
736.2
543
1053.5
777
M30
1462.9
1079
2093.4
1544
M36
2557.1
1886
3659.4
2699
M36
2600
1917
3675
2710
Figure 37 - Metric Bolt Markings
Torque figures indicated above are valid for non-greased or non-oiled threads and heads unless
otherwise specified. Therefore, do not grease or oil bolts or cap screws unless otherwise specified in
this manual. When using locking elements, increase torque values by 5%.
* Torque value for bolts and cap screws are identified by their head markings.