Section 8: Appendix; Torque Values Chart - Land Pride RTR2570 Operator's Manual

Land Pride

Section 8: Appendix

Section 8: Appendix
Bolt Head Identification
Bolt Size
(inches) L
Grade 2
1 2
in-tpi N·m ft-lb
1/4" - 20 7.4 5.6
1/4" - 28 8.5 6
5/16" - 18 15 11
5/16" - 24 17 13
3/8" - 16 27 20
3/8" - 24 31 22
7/16" - 14 43 32
7/16" - 20 49 36
1/2" - 13 66 49
1/2" - 20 75 55
9/16" - 12 95 70
9/16" - 18 105 79
5/8" - 11 130 97
5/8" - 18 150 110
3/4" - 10 235 170
3/4" - 16 260 190
7/8" - 9 225 165
7/8" - 14 250 185
1" - 8 340 250
1" - 12 370 275
1-1/8" - 7 480 355
1 1/8" - 12 540 395
1 1/4" - 7 680 500
1 1/4" - 12 750 555
1 3/8" - 6 890 655
1 3/8" - 12 1010 745
1 1/2" - 6 1180 870
1 1/2" - 12 1330 980
Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.
2/16/09
Table of Contents

Torque Values Chart

Grade 5
Grade 8
3
N·m ft-lb N·m
11 8 16 12
13 10 18 14
24 17 33 25
26 19 37 27
42 31 59 44
47 35 67 49
67 49 95 70
75 55 105 78
105 76 145 105
115 85 165 120
150 110 210 155
165 120 235 170
205 150 285 210
230 170 325 240
360 265 510 375
405 295 570 420
585 430 820 605
640 475 905 670
875 645 1230 910
955 705 1350 995
1080 795 1750 1290
1210 890 1960 1440
1520 1120 2460 1820
1680 1240 2730 2010
1990 1470 3230 2380
2270 1670 3680 2710
2640 1950 4290 3160
2970 2190 4820 3560
Bolt Size
(Metric)
ft-lb mm x pitch N·m
M 5 X 0.8 4
M 6 X 1 7
M 8 X 1.25 17
M 8 X 1 18
M10 X 1.5 33
M10 X 0.75 39
M12 X 1.75 58
M12 X 1.5 60
M12 X 1 90
M14 X 2 92
M14 X 1.5 99
M16 X 2 145
M16 X 1.5 155
M18 X 2.5 195
M18 X 1.5 220
M20 X 2.5 280
M20 X 1.5 310
M24 X 3 480
M24 X 2 525
M30 X 3.5 960
M30 X 2 1060
M36 X 3.5 1730
M36 X 2 1880
1
in-tpi = nominal thread diameter in inches-threads per inch
2
N· m = newton-meters
3
ft-lb= foot pounds
4
mm x pitch = nominal thread diameter in millimeters x thread
pitch
Bolt Head Identification
5.8 8.8
Class 5.8 Class 8.8
ft-lb N·m ft-lb
3 6 5
5 11 8
12 26 19
13 28 21
24 52 39
29 61 45
42 91 67
44 95 70
66 105 77
68 145 105
73 155 115
105 225 165
115 240 180
145 310 230
165 350 260
205 440 325
230 650 480
355 760 560
390 830 610
705 1510 1120
785 1680 1240
1270 2650 1950
1380 2960 2190
RTR2570 Rotary Tillers 311-251M
10.9
Class 10.9
N·m ft-lb
9 7
15 11
36 27
39 29
72 53
85 62
125 93
130 97
145 105
200 150
l215 160
315 230
335 245
405 300
485 355
610 450
900 665
1050 780
1150 845
2100 1550
2320 1710
3660 2700
4100 3220
25