Challenger Terra Gator 3244 Chassis. Manual - part 14

627333-A  

1-53

Torque Specifications

SAE Fasteners

Assembly Torque for SAE Fasteners

Standard

High

Low

Thread Size

Torque

lbf ft

Torque

Nm

Torque

lbf ft

Torque

Nm

Torque

lbf ft

Torque

Nm

1/4 - 20

9 ± 1

12 ± 3

10 ± 1

13 ± 3

4 ±0.5

6 ± 1

5/16 - 18

18 ± 2

25 ± 6

20 ± 2

28 ± 7

10 ± 1

13 ± 3

3/8 - 16

35 ± 4

47 ± 9

40 ± 4

50 ± 10

18 ± 2

25 ± 6

7/16 - 14

50 ± 5

70 ±15

60 ± 6

80 ± 15

30 ± 3

40 ± 8

1/2 - 13

75 ± 8

105 ± 20

90 ± 9

120 ± 20

45 ± 5

60 ± 12

9/16 - 12

120 ± 10

160 ± 30

130 ± 13

175 ± 30

60 ± 5

85 ± 15

5/8 - 11

160 ± 15

215 ± 40

175 ± 15

240 ± 40

85 ± 10

115 ± 20

3/4 - 10

275 ± 30

370 ± 50

320 ± 30

430 ± 60

150 ± 15

200 ± 40

7/8 - 9

460 ± 50

620 ± 80

520 ± 50

700 ± 90

240 ± 25

325 ± 40

1 - 8

660 ± 70

900 ± 100

775 ± 75

1050 ± 150

370 ± 35

500 ± 65

1 1/8 - 7

960 ± 100

1300 ± 150

1070 ± 105

1450 ± 150

515 ± 50

700 ± 90

1 1/4 - 7

1320 ± 130

1800 ± 200

1550 ± 155

2100 ± 250

975 ± 95

1000 ± 125

1 3/8 - 6

1780 ± 180

2400 ± 300

1990 ± 200

2700 ± 300

1315 ± 130

1000 ± 150

1 1/2 - 5

2280 ± 230

3100 ± 350

2650 ± 265

3600 ± 400

1680 ± 165

1700 ± 200

Standard Taperlock Studs

Thread Size

Torque

lbf ft

Torque

Nm

1/4

6

8

5/16

13

17

3/8

26

35

7/16

33

45

1/2 48

65

5/8

80

110

3/4

125

170

7/8

190

260 

1

300

400 

1 1/8

390

525

1 1/4

550

750

1 3/8

700

950

1 1/2

880

1200

Torque Specifications

1-54

627333-A  

Unified Inch Bolt and Cap Screw Values

Unified Bolt and Cap Screw Values Chart

NOTE: “Lubricared” means coated with a lubricant

such as engine oil, or fasteners with phosphate

and oil coatings. “Dry” means plain or zinc

plated without any lubrication.

NOTE: Grade 2 applies for hex cap screws (not hex

bolts) up to 152 mm (6-inch) long. Grade 1

applies for hexcap screws over over 152 mm

(6-inch) long, and for all other types of bolts

and screws of any length.

FIG. 2

Q000012S

Grade 1

Grade 2

Grade 5, 5.1, or 5.2

Grade 8 or 8.2

Size

Lubricated

Dry

Lubricated

Dry

Lubricated

Dry

Lubricated

Dry

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

1/4

3.7

2.8

4.7

3.5

6

4.5

7.5

5.5

9.5

7

12

9

13.5

10

17

12.5

5/16

7.7

5.5

10

7

12

9

15

11

20

15

25

18

28

21

35

26

3/8

14

10

17

13

22

16

27

20

35

26

44

33

50

36

63

46

7/16

22

16

28

20

35

26

44

32

55

41

70

52

80

58

100

75

1/2

33

25

42

31

53

39

67

50

85

63

110

80

120

90

150

115

9/16

48

36

60

45

75

56

95

70

125

90

155

115

175

130

225

160

5/8

67

50

85

62

105

78

135

100

170

125

215

160

240

175

300

225

3/4

120

87

150

110

190

140

240

175

300

225

375

280

425

310

550

400

7/8

190

140

240

175

190

140

240

175

490

360

625

450

700

500

875

650

1

290

210

360

270

290

210

360

270

725

540

925

675

1050

750

1300

975

1-1/8

400

300

510

375

400

300

510

375

900

675

1150

850

1450 1075 1850 1350

1-1/4

570

425

725

530

570

425

725

530

1300

950

1650 1200 2050 1500 2600 1950

1-3/8

750

550

950

700

750

550

950

700

1700 1250 2150 1550 2700 2000 3400 2550

1-1/2 1000

725

1250

925

990

725

1250

930

2250 1650 2850 2100 3600 2650 4550 3350

627333-A  

1-55

Torque Specifications

Metric Bolt and Cap Screw Values

Metric Bolt and Cap Screw Values

NOTE: “Lubricared” means coated with a lubricant

such as engine oil, or fasteners with phosphate

and oil coatings. “Dry” means plain or zinc

plated without any lubrication.

FIG. 3

Q000013S

Grade 4.8

Grade 8.8 or 9.8

Grade 10.9

Grade 12.9

Size

Lubricated

Dry

Lubricated

Dry

Lubricated

Dry

Lubricated

Dry

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

Nm

lb-ft

M6

4.8

3.5

6

4.5

9

6.5

11

8.5

13

9.5

17

12

15

11.5

19

14.5

M8

12

8.5

15

11

22

16

28

20

32

24

40

30

37

28

47

35

M10

23

17

29

21

43

32

55

40

63

47

80

60

75

55

95

70

M12

40

29

50

37

75

55

95

70

110

80

140

105

130

95

165

120

M14

63

47

80

60

120

88

150

110

175

130

225

165

205

150

260

190

M16

100

73

125

92

190

140

240

175

275

200

350

255

320

240

400

300

M18

135

100

175

125

260

195

330

250

375

275

475

350

440

325

560

410

M20

190

140

240

180

375

275

475

350

530

400

675

500

625

460

800

580

M22

260

190

330

250

510

375

650

475

725

540

925

675

850

625

1075

800

M24

330

250

425

310

650

475

825

600

925

675

1150

850

1075

800

1350 1000

M27

490

360

625

450

950

700

1200

875

1350 1000 1700 1250 1600 1150 2000 1500

M30

675

490

850

625

1300

950

1650 1200 1850 1350 2300 1700 2150 1600 2700 2000

M33

900

675

1150

850

1750 1300 2200 1650 2500 1850 3150 2350 2900 2150 3700 2750

M36

1150

850

1450 1075 2250 1650 2850 2100 3200 2350 4050 3000 3750 2750 4750 3500

Torque Specifications

1-56

627333-A  

4-Bolt Split Flange

FIG. 4: Ensure sealing surfaces are free of burrs,

nicks,  scratches or any foreign particles. Lubricate

O-ring. Position flanges and half clamps. Place lock

washers on bolts and bolt through half clamps. Hand

tighten bolts. Torque bolts in diagonal sequence in

small increments to torque level listed for correct flange

series.

FIG. 4

Q000014S

3000 PSI

Dash Size

Flange Size

Bolt Size

Torque

lbs. In.

ft. lbs.

12

3/4

3/8 - 16

300 ± 50

25 ± 4.5

16

1

3/8 - 16

375 ± 50

31 ± 4.5

20

1¼

7/16 - 14

488 ± 62

41 ± 5

24

1½

1/2 - 13

625 ± 75

52 ± 6

32

2

1/2 - 13

725 ± 75

60 ± 6

6000 PSI

Dash Size

Flange Size

Bolt Size

Torque

lbs. in.

ft. lbs.

12

3/4

3/8 - 16

300 ± 50

30 ± 4.5

16

1

7/16 - 14

375 ± 50

46 ± 4.5

20

1¼

1/2 - 13

825 ± 75

69 ± 6

24

1½

5/8 - 11

1500 ± 100

125 ± 8