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TM 9-6115-661-13&P
TORQUE LIMITS
1or2
6or7
5
8
SAE Grade Number
Minimum
Medium
Best
Indeterminate
Quality of
Material
Commercial
Commercial
Commercial
Capscrew Head
Markings
NOTE
Head marking may vary with different manufacturers.
Torque
Torque
Torque
Torque
Capscrew Body Size
Ft Lb (N.m)
Ft Lb (N.m)
Ft Lb (N.m)
Ft Lb (N.m)
(Inches ) - (Thread)
1/4
10
(14)
12
(16)
(7)
8
(11)
20
5
10
(14)
14
(19)
(8)
6
28
19
24
(15)
17
(23)
(26)
(33)
11
18
5/16
19
27
13
(18)
(26)
(37)
24
(42)
(46)
44
(24)
34
(60)
31
18
3/8
16
49
(27)
(47)
20
35
(66)
24
49
70
7/16
55
(75)
14
28
(38)
(66)
(95)
78
(41)
55
(75)
(106)
20
30
105
75
(102)
85
(115)
(142)
1/2
13
(53)
39
120
41
(163)
85
(115)
(56)
20
120
155
110
(149)
(163)
(210)
12
(69)
51
9/1 6
(75)
(163)
170
(231)
18
120
55
(203)
167
(226)
210
11
(113)
150
(285)
83
5/8
(129)
(231)
240
18
170
(325)
95
(142)
280
105
270
(366)
(380)
375
(508)
3/4
10
(156)
(400)
420
115
295
(569)
16
440
7/8
160
(217)
(536)
(597)
605
(820)
9
395
14
175
(237)
435
(590)
675
(915)
910 (1234)
1
(31 9)
(800)
660
(895)
235
590
8
990 (1342)
14
250
(339)
660
(895)
CAUTION
If replacement capscrews are of a higher grade than originally supplied, use torque
specifications for that placement. This will prevent equipment damage due to over
torquing.
NOTE
Always use the torque values listed above when specific torque values are not available.
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