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Sae fastener torque chart, Metric fastener (iso) torque chart, 1 torque chart – MacDon PW7 Pick-Up Header User Manual

Page 84

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SECTION 9

SPECIFICATIONS

Form 169149

Revision E

78

9.1 TORQUE

CHART

SAE FASTENER TORQUE CHART

NOTE: Use these torques, unless special torques are specified. Values are for UNC and UNF thread fasteners, plated or unplated,
as received from supplier. Fasteners can be dry or lubricated with normal engine oil. Values do not apply if graphite, moly-disulphide
other extreme pressure lubricant is used.

SAE Grade No.

2

5

8*

Bolt Head

Identification

(See Note 1)

LB FT

Nm

LB FT

Nm

LB FT

Nm

Bolt Size

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

1/4

5

6

7

8

9

11

12

15

12

15

16

20

5/16

10

12

14

16

17

20.5

23

28

24

29

33

39

3/8

20

23

27

31

35

42

48

57

45

54

61

73

7/16

30

35

41

47

54

64

73

87

70

84

95

114

1/2

45

52

61

70

80

96

109

130

110

132

149

179

9/16

65

75

88

102

110

132

149

179

160

192

217

260

5/8

95

105

129

142

150

180

203

244

220

264

298

358

3/4

150

185

203

251

270

324

366

439

380

456

515

618

7/8

160

200

217

271

400

480

542

651

600

720

814

976

1

250

300

339

406

580

696

787

944

900

1080

1220

1464

1-1/8

800

880

1085

1193

1280

1440

1736

1953

1-1/4

1120

1240

1519

1681

1820

2000

2468

2712

1-3/8

1460

1680

1980

2278

2380

2720

3227

3688

1-1/2

1940

2200

2631

2983

3160

3560

4285

4827

NOTE 1: Bolt head identification marks as per grade. Manufacturing marks will vary. *Thick nuts must be used with grade 8 bolts.

METRIC FASTENER (ISO) TORQUE CHART

NOTE: Use these torques, unless special torques are specified. Values are for coarse thread fasteners, plated or unplated,
as received from supplier. Fasteners can be dry or lubricated with normal engine oil. Values do not apply if graphite, moly-disulphide
other extreme pressure lubricant is used.
ISO Class No.

8.8

10.9

12.9

Bolt Head

Identification

(See Note 1)

Nm

LB FT

Nm

LB FT

Nm

LB FT

Bolt Size

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

M4

3

4

2

3

4

5

3

4

M5

6.5

8

5

6

9.5

11

7

8

M6

10.5

12

8

9

15

17.5

11

13

Because of the low ductility of these

M8

26

31

19

23

37

43

27

32

fasteners, the torque range is to be

M10

52

61

38

45

73

87

54

64

determined individually for each

M12

90

107

66

79

125

150

93

112

application. As a general rule, the

*M14

144

172

106

127

200

245

149

179

torque ranges specified for grade

M16

217

271

160

200

310

380

230

280

10.9 fasteners can be used

M20

434

515

320

380

610

730

450

540

satisfactorily on 12.9 fasteners.

M24

675

815

500

600

1050

1275

780

940

M30

1250

1500

920

1100

2000

2400

1470

1770

*M14 is not a preferred size

M36

2175

2600

1600

1950

3500

4200

2580

3090

NOTE: Bolt head identification marks as per grade. Manufacturing marks will vary.

8.8

10.9

12.9