TORQUE
SPECIFICATIONS
B
O
L
T
D
IA
M
E
T
E
R
W
R
E
N
C
H
(I
N
.)
“
B
”
A
N
D
S
A
E
S
A
E
S
A
E
S
IZ
E
(
IN
.)
“
A
”
T
H
R
E
A
D
S
IZ
E
G
R
A
D
E
2
G
R
A
D
E
5
G
R
A
D
E
8
7/16
1/4
-
2O
UNC
6
(7)
8
(11)
12
(16)
7/16
1/4
-
28
UNF
6
(8)
10
(13)
14
(18)
1/2
5/16
-
18
UNC
11
(15)
17
(23)
25
(33)
1/2
5/16
-
24
UNF
13
(17)
19
(26)
27
(37)
9/16
3/8
-
16
UNC
20
(27)
31
(42)
44
(60)
9/16
3/8
-
24
UNF
23
(31)
35
(47)
49
(66)
5/8
7/16
-
14
UNC
32
(43)
49
(66)
70
(95)
5/8
7/16
-
20
UNF
36
(49)
55
(75)
78
(106)
3/4
1/2
-
13
UNC
49
(66)
76
(103)
106
(144)
3/4
1/2
-
20
UNF
55
(75)
85
(115)
120
(163)
7/8
9/16
-
12
UNC
70
(95)
109
(148)
153
(207)
7/8
9/16
-
18
UNF
79
(107)
122
(165)
172
(233)
15/16
5/8
-
11
UNC
97
(131)
150
(203)
212
(287)
15/16
5/8
-
18
UNF
110
(149)
170
(230)
240
(325)
1-1/8
3/4
-
10
UNC
144
(195)
266
(360)
376
(509)
1-1/8
3/4
-
16
UNF
192
(260)
297
(402)
420
(569)
AMERICAN
Bolt
Head
Markings
Wrench
Size
“A”
Bolt
Diameter
“B”
SAE
Grade
8
(6
Dashes)
SAE
Grade
2
(No
Dashes)
SAE
Grade
5
(3
Dashes)
Proper
toque
for
American
fasteners
used
on
Bush
Hog
equipment.
Recommended
Torque
in
Foot
Pounds
(Newton
Meters).*
76