Section 3 - Torque Specifications; Bolt Torque Specification - American Standard - Mec 1330SE Service & Parts Manual

Section 3 - Torque Specifications

Bolt Torque Specification - American Standard

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.
SAE Grade
Cap Screw
Size (Inches)
1/4 - 20
1/4 - 28
5/16 - 18
5/16 - 24
3/8 - 16
3/8 - 24
7/16 - 14
7/16 - 20
1/2 - 13
1/2 - 20
9/16 - 12
9/16 - 18
5/8 - 11
5/8 - 18
3/4 - 10
3/4 - 16
7/8 - 9
7/8 - 14
1 - 8
1 - 14
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.
Page 4
American Standard Cap Screws
5
Torque
Ft-lbs Nm
Min Max Min
6.25 7.25 8.5
8 9 11
14 15 19
17.5 19 12
26 28 35
31 34 42
41 45 55.5
51 55 69
65 72 88
76 84 103
95 105 129
111 123 150
126 139 171
152 168 206
238 262 322
274 302 371
350 386 474
407 448 551
537 592 728
670 740 908
1330SE - Service & Parts Manual - 95834
8
Torque
Ft-lbs
Max Min Max
10 8.25 9.5
12 10.5 12
20 18.5 20
26 23 25
38 35 37
46 41 45
61 55 60
74.5 68 75
97.5 86 96
114 102 112
142 127 140
167 148 164
188 168 185
228 203 224
255 318 350
409 365 402
523 466 515
607 543 597
802 716 790
1003 894 987
October 2024
Nm
Min Max
11 13
14 16
25 27
31 34
47.5 50
55.5 61
74.5 81
92 102
116 130
138 152
172 190
200 222
228 251
275 304
431 474
495 544
631 698
736 809
970 1070
1211 1137