Table of Contents

Section 8: Appendix

Torque Values Chart for Common Bolt Sizes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bolt Head Identification

 

 

 

 

 

 

 

 

 

 

Bolt Head Identification

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bolt Size

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bolt Size

 

 

5.8

 

 

 

 

 

8.8

 

 

 

10.9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Inches)

 

 

 

 

 

 

 

 

 

 

 

 

(Metric)

 

 

 

 

 

 

 

 

 

 

 

 

Grade 2

Grade 5

 

 

Class 5.8

Class 8.8

Class 10.9

 

 

 

 

 

 

Grade 8

 

 

 

 

 

 

 

 

in-tpi1

N ·

ft-lb3

N

· m

ft-

lb

N

 

 

 

 

mm x

N

· m

ft-

lb

N

· m

ft-

lb

N

· m

ft-

lb

 

· m ft-lb

 

1/4" - 20

7.4

5.6

 

 

11

8

 

16

 

12

 

 

M 5 X 0.8

4

 

3

 

 

 

6

 

5

 

 

9

 

 

7

 

 

1/4" - 28

8.5

6

 

 

13

10

 

18

 

14

 

 

M 6 X 1

7

 

5

 

 

 

11

8

 

 

15

 

11

 

5/16” - 18

15

 

11

 

 

24

17

 

33

 

25

 

 

M 8 X 1.25

17

 

12

 

26

19

 

36

 

27

 

5/16" - 24

17

 

13

 

 

26

19

 

37

 

27

 

 

M 8 X 1

18

 

13

 

28

21

 

39

 

29

 

3/8" - 16

27

 

20

 

 

42

31

 

59

 

44

 

 

M10

X 1.5

33

 

24

 

52

39

 

72

 

53

 

3/8" - 24

31

 

22

 

 

47

35

 

67

 

49

 

 

M10

X 0.75

39

 

29

 

61

45

 

85

 

62

 

7/16" - 14

43

 

32

 

 

67

49

 

95

 

70

 

 

M12

X 1.75

58

 

42

 

91

67

 

125

93

 

7/16" - 20

49

 

36

 

 

75

55

 

105

78

 

 

M12

X 1.5

60

 

44

 

95

70

 

130

97

 

1/2" - 13

66

 

49

 

 

105

76

 

145

105

 

 

M12

X 1

90

 

66

 

105

77

 

145

105

 

1/2" - 20

75

 

55

 

 

115

85

 

165

120

 

 

M14

X 2

92

 

68

 

145

105

 

200

150

 

9/16" - 12

95

 

70

 

 

150

110

 

210

155

 

 

M14

X 1.5

99

 

73

 

155

115

 

215

160

 

9/16" - 18

105

79

 

 

165

120

 

235

170

 

 

M16

X 2

145

105

 

225

165

 

315

230

 

5/8" - 11

130

97

 

 

205

150

 

285

210

 

 

M16

X 1.5

155

115

 

240

180

 

335

245

 

5/8" - 18

150

110

 

230

170

 

325

240

 

 

M18

X 2.5

195

145

 

310

230

 

405

300

 

3/4" - 10

235

170

 

360

265

 

510

375

 

 

M18

X 1.5

220

165

 

350

260

 

485

355

 

3/4" - 16

260

190

 

405

295

 

570

420

 

 

M20

X 2.5

280

205

 

440

325

 

610

450

 

7/8" - 9

 

225

165

 

585

430

 

820

605

 

 

M20

X 1.5

310

230

 

650

480

 

900

665

 

7/8" - 14

250

185

 

640

475

 

905

670

 

 

M24

X 3

480

355

 

760

560

 

1050

780

 

1" - 8

 

340

250

 

875

645

 

1230

910

 

 

M24

X 2

525

390

 

830

610

 

1150

845

 

1" - 12

 

370

275

 

955

705

 

1350

995

 

 

M30

X 3.5

960

705

 

1510

1120

2100

1550

1-1/8" - 7

480

355

 

1080

795

 

1750

1290

 

M30

X 2

1060

785

 

1680

1240

2320

1710

1

1/8" -

12

540

395

 

1210

890

 

1960

1440

 

M36

X 3.5

1730

1270

2650

1950

3660

2700

1

1/4" -

7

680

500

 

1520

1120

2460

1820

 

M36

X 2

1880

1380

2960

2190

4100

3220

1

1/4" -

12

750

555

 

1680

1240

2730

2010

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

3/8" -

6

890

655

 

1990

1470

3230

2380

 

1 in-tpi = nominal thread dia. inches-threads per inch

1

3/8" -

12

1010

745

 

2270

1670

3680

2710

 

2 N· m = newton-meters

 

 

 

 

 

 

 

 

 

 

 

 

 

1

1/2" -

6

1180

870

 

2640

1950

4290

3160

 

3 ft-lb= foot pounds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

1/2" -

12

1330

980

 

2970

2190

4820

3560

 

4 mm x pitch = nominal thread dia. in millimeters x thread pitch

Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.

26 RTR0542 and RTR0550 Rotary Tillers 311-464M

8/27/08

Page 28
Image 28
Land Pride RTR0542, RTR0550 manual Torque Values Chart for Common Bolt Sizes, Appendix, In-tpi1 Ft-lb3 · m · m ft-lb

RTR0550, RTR0542 specifications

Land Pride RTR0542 and RTR0550 are leading models in the realm of rotary tillers, designed to cater to the needs of both agricultural professionals and avid gardeners. With their robust construction and advanced features, these tillers provide efficient soil preparation and cultivation for a variety of applications.

The RTR0542 and RTR0550 models come equipped with high-quality, heat-treated tines that enhance durability and longevity. These tines are engineered for maximum soil penetration and effective tilling, ensuring that the soil is thoroughly mixed and aerated. With a tilling width of 42 inches for the RTR0542 and 50 inches for the RTR0550, these tillers allow users to cover larger areas in less time, making them highly efficient for both large-scale farming and home gardening projects.

One of the standout features of both models is their adjustable side skids. These allow operators to customize the depth of the tilling process, adapting to different soil conditions or planting requirements. This flexibility is essential for optimal seedbed preparation, making the rotary tillers suitable for a wide range of crops, from vegetables to flowers.

The RTR0542 and RTR0550 are built with a sturdy, heavy-duty frame that ensures stability and alignment during operation. This robust construction not only enhances performance but also minimizes wear and tear, further extending the lifespan of the equipment. Additionally, the tillers come with a shielded chain drive system that reduces noise and maintenance needs, offering operators a quieter and more efficient working experience.

Both models feature a quick-hitch compatibility, allowing for easy and efficient attachment to a range of tractors. This convenient design enables users to switch between implements without the need for extensive equipment changes, enhancing productivity and versatility on the farm or in the garden.

Safety is also a priority in the design of RTR0542 and RTR0550. They are equipped with safety shields that protect operators from flying debris while working. The inclusion of durable bearings helps to reduce vibrations, ensuring a smoother operation and improved user comfort.

In summary, Land Pride RTR0542 and RTR0550 rotary tillers offer an impressive combination of durability, efficiency, and versatility. With their advanced features and technologies, these tillers are ideal for anyone looking to achieve superior soil preparation and cultivation for successful planting and gardening endeavors. Whether you are a commercial farmer or a backyard gardener, these models can meet diverse soil management needs effectively.