TB 9-2320-279-13&P-3
0037
Table 1. Torque Limits - SAE Standard Fasteners.
CURRENT USAGE
MUCH USED
MUCH USED
USED AT TIMES
USED AT TIMES
QUALITY OF
MINIMUM
MEDIUM
BEST
MATERIAL
INTERMEDIATE
COMMERCIAL
COMMERCIAL
COMMERCIAL
SAE Grade Number
1 or 2
5
6 or 7
8
Capscrew Head
Markings
Manufacturer's
marks may vary
These are all
SAE Grade 5
(3 line)
TORQUE
Dia.
Threads
Pounds
Newton
Pounds
Newton
Pounds
Newton
Pounds
Newton
Inches
per Inch
Feet
Meters
Feet
Meters
Feet
Meters
Feet
Meters
1/4
8
20
11
5
10
14
12
7
16
1/4
10
28
14
6
14
8
19
5/16
17
18
23
11
19
26
24
15
33
5/16
19
24
26
13
27
18
37
24
3/8
31
16
42
18
39
53
44
60
27
3/8
35
24
47
20
49
66
38
7/16
49
14
66
28
55
75
70
95
41
7/16
55
20
75
30
78
106
53
1/2
75
13
102
39
85
115
105
142
56
1/2
85
20
115
41
120
163
69
9/16
110
12
149
51
120
163
155
210
75
9/16
120
18
163
55
170
230
113
5/8
150
11
203
83
167
226
210
285
129
5/8
170
18
230
95
240
325
142
3/4
270
10
366
105
280
380
375
508
156
3/4
295
16
400
115
420
569
217
7/8
395
9
536
440
160
597
605
820
237
7/8
435
14
590
175
675
915
319
1
590
8
800
660
895
235
910
1234
1342
339
1
660
14
895
250
990
0037-2
