TORQUE SPECIFICATIONS FOR
STANDARD MACHINE HARDWARE
TOLERANCE
4096
SEE
SAE GRADE
R
SAEGRADE#5
SAEGRADEII)
0
Q
Q
h/Lb.
In./Lbs.
InJLbs.
FtJLbs.
Nm.
FtJLbs.
Nm.
FtJLbs.
Nm.
a-32
19 2.1 30 3.4
41 4.8
8-38
20 2.3
31
3.5
43
4.9
lo-24
27 3.1 43 4.9
80
8.8
lo-32
31 3.5 49 5.5
aa
7.7
w-20
88 7.8
8
10.9
12
18.3
114-28
78 8.8 10 13.8
14
19.
S/18-18
-7T
15. 17 23.1
25
34.
5118-24
12 18.3 19 25.8
25
34.
318-18
20 27.2 30 40.8
45
81.2
318-24
35 47.8
50
68.
7118-14
2
31.3
40.8
50
68.
70
95.2
7118-20
35 47.8 55 74.8
80
108.8
l/2-13
50
as.
75 102.
110 149.8
l/2-20
55 74.8 90 122.4
120
183.2
9118-12
85
88.4
110 149.8
150
204.
9118-18
75 102. 120 183.2
170 231.2
5/a-ii
90 122.4 150 204.
220 299.2
518-18
loo 138. 180 244.8
240 328.4
314-10
180 217.8 280 353.8
388
525.
314-18
180 244.8
300
408.
420 571.2
7/a-9
140 190.4
400
544.
800
818.
7/8-14
155 210.8 440
598.4
aa0
897.8
l-a
220 299.2
580
788.8
900
1,224.
1-12
240 328.4 840 870.4
1,000 1,380.
NOTE:
BOLT HEAD MARKING
S.A.E. GRADE:
1. These torque values are to be used for all hardware
excluding: locknuts, self-tapping screws, thread forming
screws, sheet metal screws and socket head setscrews.
2.
Recomended seating torque values for locknuts:
a. For prevailing torque locknuts. use 65% of grade
5
torques.
b. Forflange whizlock nuts (and screws)
-
use 135%
of grade 5 torques.
3.
Unless otherwise noted on assembly drawings all torque
values must meet this specification.
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