STA NDARD BOLT TORQUE SPECIFICATIONS
8 · 3
SPECIFIED TORQUE FOR STANDARD BOLTS
Torque specifications
Class
Diameter
Pitch
mm
H e x agon head bolt
flange bolt
mm
kg-em
ft-Ib
N'm
kg-em
fI-lb
N ' m
6
I
5 5
48
in.-Ib
5 . 4
6 0
5 2
i n , -Ib
5.9
8
1 . 2 5
1 3 0
9
1 3
1
4
5
1 0
1 4
1 0
1 .2 5
2 6 0
1 9
2 5
2 9 0
2 1
2 8
4T
1 2
1 . 2 5
4 8 0
3 5
4 7
5 4 0
3 9
5 3
1 4
1 .5
7 6 0
5 5
7 5
8
5
0
6 1
8 3
1 6
1 .5
1 . 1 5 0
8 3
1 1 3
-
6
1
6 5
5 6
in,-Ib
6 . 4
-
8
1 .2 5
1 6 0
1 2
1 6
-
1 0
1 .2 5
3
3 0
2 4
3 2
-
6T
1 2
1 , 2 5
600
4 3
5 9
-
1 4
1 .5
9 3 0
6 7
9 1
-
1 6
1 . 5
1 . 400
1 0 1
1 3 7
-
6
,
8
0
69 in.-Ib
7 . 8
I
90
78 i n . - I b
8 . 8
8
1 . 2 5
' 9 5
1 4
1 9
2 1 5
1 6
2 '
6T
1 0
1
.
2
5
400
29
39
4 40
3 2
4 3
1 2
1 .
2
5
730
53
7 2
8
1
0
5 9
7 9
1 4
1 .5
-
1 . 2 5 0
9 0
1 2 3
6
,
1 1 0
8
1 1
1 2 0
9
1 2
8
1 . 2 5
2 60
1 9
2 5
2 9 0
2 1
2 8
1 0
1 . 2 5
5 3 0
3 8
5 2
5 9 0
4 3
58
7T
1 2
1 . 2 5
9 7 0
7 0
9 5
1 , 0 5 0
7 6
1 03
1 4
1 .5
1 . 500
' 0 8
1 4 7
1 . 7 00
1 2 3
1 6 7
1 6
1 .5
2 . 300
, 6 6
2 2 6
-