1001-2
TORQUE SPECIFICATIONS - DECIMAL HARDWARE
Use the torques in this
chart
when special
tor-
ques are
not
given. These torques
apply
to fasten-
ers with both UNG and UNF threads
as
received
from suppliers, dry,
or
when lubricated with engine
oil.
Not
applicable if special graphites,
molydisul-
fide greases,
or
other
extreme pressure lubricants
are used.
Grade 5 Bolts, Nuts, and Studs
Size
1/4
in
5/16
in
3/8
in
7/16
in
1/2
in
9/16
in
5/8
in
3/4
in
7/8
in
1.0
in
1-1/8
in
1-1/4
in
1-3/8
in
1-1/2
in
00@
Pound-
Feet
9-11
17-21
35-42
54-64
80-96
110-132
150-180
270-324
400-480
580-696
800-880
1120-1240
1460-1680
1940-2200
Newton
metres
12-15
23-28
48-57
73-87
109-130
149-179
203-244
366-439
542-651
787-944
1085-1193
1519-1681
1980-2278
2631-2983
Grade 8 Bolts, Nuts, and Studs
Size
1/4
in
5/16
in
3/8
in
7/16
in
1/2
in
9/16
in
5/8
in
3/4
in
7/8
in
1.0
in
1-1/8
in
1-1/4
in
1-3/8
in
1-1/2
in
O®@
Pound-
Feet
12-15
24-29
45-54
70-84
110-132
160-192
220-264
380-456
600-720
900-1080
1280-1440
1820-2000
2380-2720
3160-3560
Newton
metres
16-20
33-39
61-73
95-114
149-179
217-260
298-358
515-618
814-976
1220-1465
1736-1953
2468-2712
3227-3688
4285-4827
NOTE: Use
thick
nuts with Grade 8 bolts.
811360B
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