1 bolt torque – Echo CH123DH Owners Manual v.2 User Manual
Page 28
12 INCH CHIPPER
24
SPECIFICATIONS
7.1 BOLT TORQUE
* Torque value for bolts and
capscrews are identified by
their head markings.
Torque figures indicated
above are valid for non-
greased or non-oiled threads
and heads unless otherwise
specified. Therefore, do
not grease or oil bolts or
capscrews unless otherwise
specified in this manual.
When using locking elements,
increase torque values by
5%.
BOLT DIAMETER (A)
ENGLISH
BOLT TORQUE *
SAE 2
SAE 5
SAE 8
N.m
Ft-lb.
N.m
Ft-lb.
N.m
Ft-lb.
1/4”
7.5
5.5
11
8
16
12
5/16”
15
11
23
17
34
25
3/8”
27
20
41
30
61
45
7/16”
41
30
68
50
95
70
1/2”
68
50
102
75
149
110
9/16”
97
70
149
110
203
150
5/8”
122
90
203
150
312
230
3/4”
217
160
353
260
515
380
7/8”
230
170
542
400
814
600
1”
298
220
786
580
1220
900
1-1/8”
407
300
1085
800
1736
1280
1-1/4”
570
420
2631
1940
2468
1820
BOLT DIAMETER
(A)
METRIC
BOLT TORQUE *
4.8
8.8
10.9
12.9
N.m
Ft-lb.
N.m
Ft-lb.
N.m
Ft-lb.
N.m
Ft-lb.
M3
0.5
0.4
-
-
-
-
-
-
M4
3
2.2
-
-
-
-
-
-
M5
5
4
-
-
-
-
-
-
M6
6
4.5
11
8.5
17
12
19
14.5
M8
15
11
28
20
40
30
47
35
M10
29
21
55
40
80
60
95
70
M12
50
37
95
70
140
105
165
120
M14
80
60
150
110
225
165
260
190
M16
125
92
240
175
350
255
400
300
M18
175
125
330
250
475
350
560
410
M20
240
180
475
350
675
500
800
580
M22
330
250
650
475
925
675
1075
800
M24
425
310
825
600
1150
850
1350
1000
M27
625
450
1200
875
1700
1250
2000
1500
The tables below are for reference purposes only and their use by anyone is entirely voluntary, unless otherwise noted.
Reliance on their content for any purpose is at the sole risk of that person and any loss or damage resulting from the
use of this information is the responsibility of that person.
SAE - 8
SAE - 2
A
SAE - 5
SAE
Grade
and
Head
Markings
BOLT DIAMETER
10.9
4.8
A
8.8
METRIC
Grade
and
Head
Markings
BOLT DIAMETER
12.9
4.8
8.8
10.9
12.9