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Hardware
Bolt Head Identification
Grade 2
Grade 5
Bolt Torque Values
coarse thread bolts
Grade 2
Bolt
Diameter
-
P
Threads/Inch
ft-lbs
1/4"
1313
6
- 20
5/16"
2176
12
- 18
3/8"
3188
22
- 16
7/16"
4388
35
- 14
1/2"
6850
63
- 13
5/8"
9300
110
- 11
3/4"
11400
160
- 10
7/8"
13800
220
- 9
1"
15000
280
- 8
Use the torque values listed in the table above for all Bucket Elevator
and Platform hardware connections!
WARNING!
UNDER NO CIRCUMSTANCES SHALL
ANY OTHER BOLT BE SUBSTITUTED
FOR THOSE SUPPLIED BY
MFS/YORK/STORMOR!
GLOBAL
2015-08-31
Pre-Assembly
Grade 8
T
P
Nm
kgf-m
8.1
0.83
2000
16
1.7
3350
30
3.0
4950
47
4.8
6800
85
8.7
9050
150
15
14500
217
22
21300
298
30
29500
380
39
38700
INDUSTRIES, INC.
Grade 8.2
T = Tightening Torque
Grade 5
T
ft-lbs
Nm
kgf-m
9
12
1.2
19
26
2.6
34
46
4.7
55
75
7.6
83
110
11
12800
170
230
24
20300
290
390
40
30100
470
640
65
41600
710
960
98
54600
WARNING!
Use only minimum 3/8" diameter grade 5
bolts at leg section connections!
37
P = Bolt Tensile Load in lb
Grade 8 and 8.2
T
P
ft-lbs
Nm
kgf-m
2850
13
18
4700
27
37
6950
48
65
9600
77
104
120
163
230
312
410
556
670
910
1000
1400
M36 - M48 Bucket Elevator
1.8
3.7
6.6
11
17
32
57
93
138
10230004
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