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 TM 9-2320-303-24-2
Table 1. Torque Limits.
CURRENT USAGE
MUCH USED
MUCH USED
USED AT TIMES
USED AT TIMES
QUALITY OF
INDETERMINATE
MINIMUM
MEDIUM
BEST
MATERIAL
COMMERCIAL
COMMERCIAL
COMMERCIAL
SAE Grade Number
1 or 2
5
6 or 7
8
Cap Screw Head
Markings
Manufacturer's
marks may vary
These are all
SAE Grade 5
(3 line)
CAP SCREW BODY SIZE
INCHES - THREAD
LB-FT (NM)
LB-FT (NM)
LB-FT (NM)
LB-FT (NM)
1/4
20
5
(7)
8
(11)
10
(14)
12
(16)
28
6
(8)
10
(14)
14
(19)
5/16
18
11
(15)
17
(23)
19
(26)
24
(33)
24
13
(18)
19
(26)
27
(37)
3/8
16
18
(24)
31
(42)
34
(46)
44
(60)
24
20
(27)
35
(47)
49
(66)
7/16
14
28
(38)
49
(66)
55
(75)
70
(95)
20
30
(41)
55
(75)
78
(106)
1/2
13
39
(53)
75
(102)
85
(115)
105
(142)
20
41
(56)
85
(115)
120
(163)
9/16
12
51
(69)
110
(149)
120
(163)
155
(210)
18
55
(75)
120
(163)
170
(231)
5/8
11
83
(113)
150
(203)
167
(226)
210
(285)
18
95
(129)
170
(231)
240
(325)
3/4
10
105
(142)
270
(366)
280
(380)
375
(508)
16
115
(156)
295
(400)
420
(569)
7/8
9
160
(217)
395
(536)
440
(597)
605
(820)
14
175
(237)
435
(590)
675
(915)
1
8
235
(319)
590
(800)
660
(895)
910
(1234)
14
250
(339)
660
(895)
990
(1342)
0311 00-2
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