TM 9-2330-227-14&P
APPENDIX
H
TORQUE LIMITS
CAPSCREW MARKING
Much Used
Much Used
Used at Times
Current Usage
Used at times
Minimum
Medium
Best
Quality of
Indeterminate
Material
Commercial
Commercial
Commercial
1 or 2
6 or 7
5
8
SAE Grade Number
Capscrew Head
Markings
Manufacturer's
marks may vary
These are all
SAE Grade 5
(3 line)
CAUTION
if replacement capscrews are of a higher grade than originally supplied, use torque
specifications for the original. This will prevent equipment damage due to over
torquing.
Torque
Torque
Torque
Torque
Capscrew Body Size
Ft Lb (NZm)
Ft Lb (NZm)
Ft Lb (NZm)
Ft Lb (NZm)
(Inches) - (Thread)
10
(14)
(16)
5
(7)
(11)
12
1/4
20
8
(14)
14
(19)
10
6
(8)
28
19
(26)
11
(15)
24
(33)
17
(23)
18
5/16
13
27
(37)
19
(26)
24
(18)
(46)
44
34
(60)
18
(42)
16
31
(24)
3/8
49
(66)
(47)
20
35
(27)
24
(75)
70
55
(95)
28
49
(66)
14
(38)
7/16
78
(106)
20
30
55
(41)
(75)
(115)
85
(142)
105
13
39
75
(102)
(53)
1/2
(163)
41
120
(115)
20
85
(56)
120
(163)
155
(210)
110
(149)
12
51
9/16
(69)
170
(231)
(163)
55
18
(75)
120
(226)
(285)
167
210
(203)
11
83
(113)
150
5/8
240
(325)
(231)
18
(129)
170
95
280
(380)
(508)
375
105
270
(366)
10
(142)
3/4
420
(569)
(400)
16
115
(156)
295
440
(597)
(820)
605
160
(536)
9
(217)
395
7/8
(915)
675
175
435
(590)
14
(237)
660
(895)
910 (1234)
(800)
235
590
8
(319)
1
990 (1342)
250
(895)
14
(339)
660
TA231396
H-1