-16-
CAP SCREW TORQUE VALUES
The specifications below are the torque values for fasteners as it adheres to the SAE torque value
standards. All fasteners should be torqued to the proper values found in the figures below unless
otherwise specified by the engineering drawing.
• Lubed torque would be any fastener that has grease, liquid Loctite, oil, etc. on the threads.
• Dry torque would be any fastener which has threads that are clean and dry and do not have any liquid
Loctite or grease on them.
Hex Head Fasteners
The figure shown below shows how to determine what SAE grade a fastener is.
0, 1 & 2 3
5 6 7
8
SUGGESTED ASSEMBLY TORQUE VALUES
WORKING TORQUE
SAE GR. 2-6”
SAE GR. 5
SAE GR. 8
18-8
SS
316
SS
Brass Silicon
Bronze
Dia. &
Thrds.
per
inch
Dry
Ft.
Lbs.
Lube
Ft.
Lbs.
Dry
Ft.
Lbs.
Lube
Ft.
Lbs.
Dry
Ft.
Lbs.
Lube
Ft.
Lbs.
Inch
Lbs.
Inch
Lbs.
Inch
Lbs.
Inch
Lbs.
1/4-20
1/4-28
5.5
6.3
4.2
4.7
8
10
6.3
7.2
12
14
9
10
75.2
94.0
78.8
99.0
61.5
77.0
68.6
87.0
5/16-20
5/16-28
11
12
8
9
17
19
13
14
24
27
18
20
132
142
138
147
107
116
123
131
3/8-16
3/8-24
20
23
15
17
30
35
23
25
45
50
35
35
236
259
247
271
192
212
219
240
7/16-14
7/16-20
32
36
24
27
50
55
35
40
70
80
50
60
376
400
393
418
317
327
349
371
1/2-13
1/2-20
50
55
35
40
75
85
55
65
110
120
80
90
517
541
542
565
422
443
480
502
9/16-12
9/16-18
70
80
55
60
110
120
80
90
150
170
110
130
682
752
713
787
558
615
632
697
5/8-11
5/8-18
100
110
75
85
150
170
110
130
210
240
160
180
1110
1244
1160
1301
907
1016
1030
1154
3/4-10
3/4-16
175
200
130
140
260
300
200
220
380
420
280
310
1530
1490
1582
1558
1249
1220
1416
1382
7/8-9
7/8-14
170
180
125
140
430
470
320
350
600
670
450
500
2328
2318
2430
2420
1905
1895
2140
2130
1-8
1-14
250
280
190
210
640
720
480
540
910
1020
680
760
3440
3110
3595
3250
2815
2545
3185
2885
Summary of Contents for 3243
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Page 13: ...13 SAFETY INFORMATION...
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Page 33: ...33 SERVICE NOTES...
Page 34: ...34 SERVICE NOTES...
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