Appendix
59
MAN1337
(05/03/22)
BOLT TORQUE CHART
Always tighten hardware to these values unless a different torque value or tightening procedure is listed for
a specific application.
Fasteners must always be replaced with the same grade as specified in the manual parts list.
Always use the proper tool for tightening hardware: SAE for SAE hardware and Metric for metric hardware.
Make sure fastener threads are clean and you start thread engagement properly.
All torque values are given to specifications used on hardware defined by SAE J1701 MAR 99 & J1701M JUL 96.
SAE SERIES TORQUE CHART
SAE Bolt Head Identification
SAE Grade 2
(No Dashes)
SAE Grade 5
(3 Radial Dashes)
SAE Grade 8
(6 Radial Dashes)
Diameter (Inches)
Wrench Size
Marking on Head
SAE 2
SAE 5
SAE 8
lbs-ft
N-m
lbs-ft
N-m
lbs-ft
N-m
1/4"
7/16"
6
8
10
13
14
18
5/16"
1/2"
12
17
19
26
27
37
3/8"
9/16"
23
31
35
47
49
67
7/16"
5/8"
36
48
55
75
78
106
1/2"
3/4"
55
75
85
115
120
163
9/16"
13/16"
78
106
121
164
171
232
5/8"
15/16"
110
149
170
230
240
325
3/4"
1-1/8"
192
261
297
403
420
569
7/8"
1-5/16"
306
416
474
642
669
907
1"
1-1/2"
467
634
722
979
1020
1383
Typical Washer Installations
Lock Washer
Flat Washer
Bolt
Summary of Contents for BATWING BW10.51
Page 36: ...36 Notes MAN1337 05 03 22 NOTES...
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