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2-1-2005

Page 4 of 4

F-3790

2-7227

INSTALLATION

INSTRUCTIONS

AMERICAN STANDARD CAP SCREWS

METRIC CAP SCREWS

GENERAL TORQUE SPECIFICATIONS

USE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN

SAE Grade

Typ. Head 

Markings

Metric Class

Typ. Head 

Markings

5

8

8.8

10.9

Cap Screw

TORQUE

TORQUE

TORQUE

TORQUE

Size

FT·LBS

N·m

FT·LBS

N·m

FT·LBS

N·m

FT·LBS

N·m

Inches

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

6.25

7.25

8.5

10

8.25

9.5

11

13

8

9

11

12

10.5

12

14

16

14

15

19

20

18.5

20

25

27

17.5

19

23

26

23

25

31

34

26

28

35

38

35

37

47.5

50

31

34

42

46

41

45

55.5

61

41

45

55.5

61

55

60

74.5

81

51

55

69

74.5

68

75

92

102

65

72

88

97.5

86

96

116

130

76

84

103

114

102

112

138

152

95

105

129

142

127

140

172

190

111

123

150

167

148

164

200

222

126

139

171

188

168

185

228

251

152

168

206

228

203

224

275

304

238

262

322

355

318

350

431

474

274

305

371

409

365

402

495

544

350

386

474

523

466

515

631

698

407

448

551

607

543

597

736

809

537

592

728

802

716

790

970

1070

670

740

908

1003

894

987

1211

1337

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

6

8

8

11

9

11

12

15

16

20

21.5

27

23

27

31

36.5

29

35

39

47

42

52

57

70

52

62

70

84

75

91

102

123

85

103

115

139

120

146

163

198

130

158

176

214

176

216

238

293

172

210

233

284

240

294

325

398

247

301

335

408

343

426

465

577

332

404

450

547

472

576

639

780

423

517

573

700

599

732

812

992

637

779

863

1055

898

1098

1217

1488

872

1066

1181

1444

1224

1496

1658

2027

1/4 - 20
1/4 - 28

5/16 - 18
5/16 - 24

3/8 - 16
3/8 - 24

7/16 - 14
7/16 - 20

1/2 - 13
1/2 - 20

9/16 - 12
9/16 - 18

Cap Screw

Size

Millimeters

M6 x 1.00
M8 x 1.25

M10 x 1.50
M12 x 1.75
M14 x 2.00
M16 x 2.50
M18 x 2.50
M20 x 2.50
M22 x 2.50
M24 x 3.00
M27 x 3.00
M30 x 3.00

5/8 - 11
5/8 - 18
3/4 - 10
3/4 - 16

7/8 - 9

7/8 - 14

1 - 8

1 - 14

Standard American and Metric Cap Screws

NOTE:

 

These values apply to fasteners as received 

from supplier, dry or when lubricated with normal 
engine oil. They do not apply if special graphite or 
molysulphide greases or other extreme lubricants are 
used.

Reviews:

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