Appendix - reference information, Torque values chart, See “ torque values – Great Plains 1500TM Predelivery Manual User Manual
Page 23: See “ torque values chart, See “ torque values chart ” on
12/12/2013
586-535Q
Great Plains Manufacturing, Inc.
19
Appendix - Reference Information
Torque Values Chart
Gang Bolt Torque 1 3/4”-5 850 Foot-pounds (165 lbs on 5’ cheater).
Rolling Harrow Spike Bolt 1 1/2”-6 650-750 Foot-pounds (175 lbs on 4’ cheater).
Wheel Bolt Torque Values 1/2”-20 (75-85 ft-lbs) 9/16”-18 (80-90 ft-lbs) 5/8”-18 (85-100 ft-lbs).
9
4
6
25199m
Bolt
Size
Bolt Head Identification
Bolt
Size
Bolt Head Identification
Grade 2
Grade 5
Grade 8
Class 5.8
Class 8.8
Class 10.9
in-tpi
a
N-m
b
N-m
N-m
mm x pitch
c
N-m
N-m
N-m
1
⁄
4
-20
7.4
11
16
M 5 X 0.8
1
⁄
4
-28
8.5
13
18
M 6 X 1
7
11
15
5
⁄
16
-18
15
24
33
M 8 X 1.25
17
26
36
5
⁄
16
-24
17
26
37
M 8 X 1
18
28
39
3
⁄
8
-16
27
42
59
M10 X 1.5
33
52
72
3
⁄
8
-24
31
47
67
M10 X 0.75
39
61
85
7
⁄
16
-14
43
67
95
M12 X 1.75
58
91
125
7
⁄
16
-20
49
75
105
M12 X 1.5
60
95
130
1
⁄
2
-13
66
105
145
M12 X 1
90
105
145
1
⁄
2
-20
75
115
165
M14 X 2
92
145
200
9
⁄
16
-12
95
150
210
M14 X 1.5
99
155
215
9
⁄
16
-18
105
165
235
M16 X 2
145
225
315
5
⁄
8
-11
130
205
285
M16 X 1.5
155
240
335
5
⁄
8
-18
150
230
325
M18 X 2.5
195
310
405
3
⁄
4
-10
235
360
510
M18 X 1.5
220
350
485
3
⁄
4
-16
260
405
570
M20 X 2.5
280
440
610
7
⁄
8
-9
225
585
820
M20 X 1.5
310
650
900
7
⁄
8
-14
250
640
905
M24 X 3
480
760
1050
1-8
340
875
1230
M24 X 2
525
830
1150
1-12
370
955
1350
M30 X 3.5
960
1510
2100
1
1
⁄
8
-7
480
1080
1750
M30 X 2
1060
1680
2320
1
1
⁄
8
-12
540
1210
1960
M36 X 3.5
1730
2650
3660
1
1
⁄
4
-7
680
1520
2460
M36 X 2
1880
2960
4100
1
1
⁄
4
-12
750
1680
2730
1
3
⁄
8
-6
890
1990
3230
a. in-tpi = nominal thread diameter in inches-threads per inch
1
3
⁄
8
-12
1010
2270
3680
b. N· m = newton-meters
1
1
⁄
2
-6
1180
2640
4290
1
1
⁄
2
-12
1330
2970
4820
c. mm x pitch = nominal thread diameter in mm x thread pitch
Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.
5.8
8.8
10.9
25199
ft-lb
d
ft-lb
ft-lb
ft-lb
ft-lb
ft-lb
5.6
8
12
6
10
14
5
8
11
11
17
25
12
19
27
13
19
27
13
21
29
20
31
44
24
39
53
22
35
49
29
45
62
32
49
70
42
67
93
36
55
78
44
70
97
49
76
105
66
77
105
55
85
120
68
105
150
70
110
155
73
115
160
79
120
170
105
165
230
97
150
210
115
180
245
110
170
240
145
230
300
170
265
375
165
260
355
190
295
420
205
325
450
165
430
605
230
480
665
185
475
670
355
560
780
250
645
910
390
610
845
275
705
995
705
1120
1550
355
795
1290
785
1240
1710
395
890
1440
1270
1950
2700
500
1120
1820
1380
2190
3220
555
1240
2010
655
1470
2380
745
1670
2710
870
1950
3160
d. ft-lb = foot pounds
980
2190
3560
3
5
7