Size

Thread Pitch (mm)

Stress Area (mm²)

Core Area (mm²)

Tensile Strength (kN)

Yield Strength (kN)

Shear Strength (kN)

Recommended Tightening Torque

(Nm)

(lb.in)

M6

1.00

20.1

17.9

17.3

14.5

9.2

11.3

100

M8

1.25

36.6

32.8

31.5

26.4

16.9

27.4

243

M10

1.50

58.0

52.3

49.9

41.8

26.9

54.3

480

M12

1.75

84.3

76.2

72.6

60.7

39.3

94.7

838

M14

2.00

115

104

98.9

82.8

53.7

150.7

1334

M16

2.00

157

144

135.0

113.0

74.3

235.1

2081

M18

2.50

193

174

166.0

139.0

89.8

325.0

2878

M20

2.50

245

225

210.7

176.4

116.1

458.6

4059

M22

2.50

303

280

261.0

218.0

144.0

624

5522

M24

3.00

353

324

303.6

254.2

167.2

793.0

7018

M30

3.50

561

519

482.5

403.9

267.8

1575.3

13941

M36

4.00

817

759

702.6

588.2

391.6

2753.0

24363

M42

4.50

1120

1050

963.2

806.4

541.8

4402.9

38964

M48

5.00

1470

1380

1264.2

1058.4

712.1

6604.4

58446

Thread Size

Tensile Strength

Yield Strength

Shear Strength

Recommended Tightening Torque

mm

MPa

kN

MPa

kN

Body

Thread

Nm

lbf.ft

M6

1

1040

20.9

940

18.9

17.7

12.6

14.7

10.8

M8

1.25

1040

38.1

940

34.4

31.4

22.8

35.8

26.4

M10

1.5

1040

60.3

940

54.5

49.0

36.2

70.8

52.2

M12

1.75

1040

87.6

940

79.2

70.5

52.6

124

91.1

(M14)

2

1040

120

940

109

96.1

72.0

200

146

M16

2

1040

163

940

147

125

97.8

305

225

(M18)

2.5

1040

200

940

181

155

120

425

310

M20

2.5

1040

255

940

230

195

155

600

440

(M22)

2.5

1040

316

940

285

240

190

815

600

M24

3

1040

367

940

331

280

220

1030

760

(M27)

3

1040

478

940

432

360

290

1520

1120

M30

3.5

1040

583

940

527

440

350

2050

1510

(M33)

3.5

1040

721

940

652

530

430

2800

2060

M36

4

1040

849

940

768

640

510

3590

2650

(M39)

4

1040

1015

940

917

750

610

4650

3430

M42

4.5

1040

1166

940

1054

860

700

5750

4240

M48

5

1040

1532

940

1385

1130

920

8640

6370