Page 5
1330SE - Servce & Parts Manual
November 2021
Bolt Torque Specification - American Standard
Fasteners
Use the following values to apply torque unless a specific torque value is called out for the part being
used.
American Standard Cap Screws
SAE Grade
5
8
Cap Screw
Size (inches)
AR
T_5816A
AR
T_5816B
Torque
Torque
Ft.
Lbs
Nm
Ft.
Lbs
Nm
Min
Max
Min
Max
Min
Max
Min
Max
1/4 - 20
6.25
7.25
8.5
10
8.25
9.5
11
13
1/4 - 28
8
9
11
12
10.5
12
14
16
5/16 - 18
14
15
19
20
18.5
20
25
27
5/16 - 24
17.5
19
12
26
23
25
31
34
3/8 - 16
26
28
35
38
35
37
47.5
50
3/8 - 24
31
34
42
46
41
45
55.5
61
7/16- 14
41
45
55.5
61
55
60
74.5
81
7/16 - 20
51
55
69
74.5
68
75
92
102
1/2 - 13
65
72
88
97.5
86
96
116
130
1/2 - 20
76
84
103
114
102
112
138
152
9/16 - 12
95
105
129
142
127
140
172
190
9/16 - 18
111
123
150
167
148
164
200
222
5/8 - 11
126
139
171
188
168
185
228
251
5/8 - 18
152
168
206
228
203
224
275
304
3/4 - 10
238
262
322
255
318
350
431
474
3/4 - 16
274
302
371
409
365
402
495
544
7/8 - 9
350
386
474
523
466
515
631
698
7/8 - 14
407
448
551
607
543
597
736
809
1- 8
537
592
728
802
716
790
970
1070
1 - 14
670
740
908
1003
894
987
1211
1137
Torque values apply to fasteners as received from the supplier, dry or when lubricated with
normal engine oil.
If special graphite grease, molydisulphide grease, or other extreme pressure lubricants are
used, these torque values do not apply.
Secton 4 - Torque Specfcatons
Bolt Torque Specification - American Standard
