Metric bolt torque values, Grade 8.8, Grade 10.9 – Dynojet 224x: Installation Guide User Manual

Page 76

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Above Ground Model 224 Automotive Dynamometer Installation Guide

A P P E N D I X D
Metric Bolt Torque Values

D-4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

METRIC BOLT TORQUE VALUES

Always use the torque values specified in other sections of this manual. When specific
values are not available, use the torque values listed below. Use the following
guidelines when tightening torque:
• These values are based on use of clean, dry threads.
• The following tables include values for plain finish and plated fasteners.
• Reduce torque by 10% when engine oil is used as a lubricant.

The following tables are meant to be used as guidelines for Dynojet product
torque values only. Always use caution when torquing fasteners.

G

RADE

8.8

G

RADE

10.9

size

torque, plain

torque, plated

mm x pitch

in•lb

ft•lb

N•m

in•lb

ft•lb

N•m

M6 X 1

96

8

11

72

6

8

M8 X 1.25

233

19

26

175

15

20

M10 X 1.5

462

38

52

346

29

39

M12 X 1.75

805

67

91

604

50

68

M14 X 2

1287

107

145

966

80

109

M16 X 2

1997

166

226

1498

125

169

M20 X 2.5

3900

325

441

2925

244

330

M24 X 3

6739

562

761

5054

421

571

size

torque, plain

torque, plated

mm x pitch

in•lb

ft•lb

N•m

in•lb

ft•lb

N•m

M6 X 1

133

11

15

100

8

11

M8 X 1.25

323

27

36

242

20

27

M10 X 1.5

639

53

72

479

40

54

M12 X 1.75

1114

93

126

836

70

94

M14 X 2

1781

148

201

1336

111

151

M16 X 2

2762

230

312

2072

173

234

M20 X 2.5

5395

450

610

4046

337

457

M24 X 3

9322

777

1053

6992

583

790

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