螺栓予载及扭矩值推荐表

螺距

mm

承载

面积

Mm²

摩

擦

系

数

螺  栓  强  度  等  级（  标  准  螺  距  ）

4，8

5，8

6，8

8，8

10，8

12，9

予载

N

扭矩

Nm

予载

N

扭矩

Nm

予载

N

扭矩

Nm

予载

N

扭矩Nm

予载

N

扭矩

Nm

予载

N

扭矩

Nm

M3

1.5

4

0.40

2.07

0.10

0.14

448.0

449.5

0.15

0.19

610.6

561.9

0.19

0.23

732.7

674.3

0.23

0.28

976.9

899.0

0.31

0.37

1373.8

1264.3

0.43

0.52

1648.6

1517.1

0.52

0.63

M2.5

2

5

0.45

3.39

0.10

1.14

813.5

749.9

0.31

0.38

1016.9

937.4

0.39

0.48

1220.2

1124.9

0.47

0.58

1627.0

1499.8

0.63

0.77

2288.0

2109.1

0.88

1.08

2745.6

2531.6

1.06

1.30

M3

2.5

5.5

0.50

5.03

0.10

1.14

1219.9

1125.9

0.54

0.60

1524.9

1407.4

0.68

0.83

1829.9

1688.9

0.82

1.00

2439.9

2251.9

1.09

1.34

3431.0

3166.7

1.53

1.88

4117.2

3800.0

1.84

2.26

M4

3

7

0.70

8.78

0.10

1.14

2115.4

1950.9

1.25

1.53

2644.3

2438.7

1.56

1.91

3173.1

2926.4

1.88

2.29

4230.8

3900.9

2.50

3.06

5949.6

5487.0

3.52

4.30

7139.5

6584.4

4.22

5.16

M5

4

8

0.80

14.20

0.10

1.14

3461.6

3139.8

2.46

3.02

4327.0

3996.0

3.08

3.78

5192.3

4795.2

3.70

4.53

6923.1

6393.7

4.93

6.04

9735.7

8991.1

6.93

8.50

11682.8

10789.3

8.32

10.20

M6

5

10

1.00

20.10

0.10

1.14

4874.7

4499.1

4.24

5.19

6093.4

5623.9

5.30

6.48

7312.1

674836

6.35

7.78

9749.4

8998.2

8.47

10.37

13710.1

12653.7

11.92

14.59

16452.2

15184.4

14.30

17.51

M8

6

13

1.25

36.60

0.10

1.14

8947.1

8265.6

10.20

12.54

11183.9

10332.0

12.75

15.67

13420.7

12398.4

15.30

18.80

17894.2

16531.5

20.41

25.07

25163.7

23247.0

28.70

35.26

30196.5

27896.5

34.44

42.31

M10

8

16

1.50

58.00

0.10

1.14

14244.5

1316734

20.11

24.76

17805.6

16459.2

25.14

30.95

21366.8

19781.1

30.16

37.14

28489.0

26334.8

40.22

49.52

40062.7

37033.3

56.56

69.64

48075.3

44439.9

67.87

83.56

M12

10

18

1.75

84.30

0.10

1.14

20766.6

19204.0

34.43

42.42

25958.3

24005.0

43.03

53.03

31149.9

28806.0

51.64

63.63

41533.2

38408.0

68.86

84.84

58406.1

54011.2

96.83

119.31

70087.3

64813.5

116.20

143.17

M14

12

21

2.00

115.00

0.10

1.14

28389.9

26261.2

54.77

67.56

35487.4

32826.5

68.46

84.45

42584.9

39391.8

82.15

101.34

56779.8

52522.4

109.53

135.13

79846.6

73859.6

154.03

190.02

95816.0

88631.5

184.84

228.03

M16

14

24

2.00

157.00

0.10

1.14

39242.1

36364.2

85.14

105.80

49052.7

45455.3

106.43

132.26

58863.2

54546.3

127.72

158.71

78484.3

72728.5

170.29

211.61

110368.5

102274.4

239.47

297.58

13244.2

122729.3

287.36

257.09

M18

14

27

2.50

192.00

0.10

1.14

47533.0

43986.1

117.48

145.16

59416.3

54982.7

146.85

181.45

71299.6

65979.2

176.22

217.74

95066.1

87972.3

234.96

290.32

133686.7

123711.0

330.41

402.26

160424.1

148453.2

396.49

489.92

M20

17

30

2.50

245.00

0.10

1.14

61238.0

56747.1

166.08

206.39

76547.5

70933.9

207.61

257.98

91857.0

85120.6

249.13

309.58

122476.0

113494.2

332.17

412.78

172231.9

159601.2

467.11

580.47

206678.2

191521.5

560.54

696.56

M22

17

34

2.50

303.00

0.10

1.14

76305.2

70791.9

227.22

283.79

95381.5

88489.8

284.02

354.74

114457.8

106187.8

340.82

425.69

152610.4

141583.7

454.43

567.58

214608.3

199102.1

639.05

789.16

257530.0

238922.5

766.85

957.80

M

24

19

36

3.00

353.00

0.10

1.14

88232.4

81761.8

287.16

356.84

110290.5

102202.2

358.94

446.05

132248.6

122642.7

430.73

535.26

176464.9

163523.6

574.31

713.68

248153.7

229955.1

807.63

1103.61

297784.4

275946.1

969.15

1024.33

M

27

19

41

3.00

459.00

0.10

1.14

115778.8

107441.5

420.04

525.83

144723.5

134301.9

525.05

656.35

173668.2

161162.2

630.06

787.62

231557.6

214883.0

840.08

1050.16

3255627.9

302179.2

1181.36

1476.79

390753.4

362615.0

1417.63

1772.15

M

30

22

46

3.50

561.00

0.10

1.14

140999.5

130770.6

572.83

714.49

176249.4

163463.3

716.03

893.11

211499.3

196155.9

859.24

1071.73

281999.0

231541.2

1145.65

1428.97

396561.1

367792.3

1611.08

2009.46

475873.4

441350.8

1933.29

2144.39

M

33

24

50

3.50

694.00

0.10

1.14

175618.1

163058.0

774.65

970.43

219522.6

203822.5

968.32

1213.03

263427.1

244587.0

1161.98

1455.64

351236.2

326115.9

1549.31

1940.86

493925.8

458600.5

2178.72

2728.33

592711.0

550320.6

2614.46

3275.19

M

36

27

55

4.00

817.00

0.10

1.14

206081.7

191241.8

998.60

1248.41

257602.2

239052.3

1248.25

1560.51

309122.6

286862.7

1497.89

2431.44

412163.5

382483.6

1997.192496.81

579604.8

537867.6

2808.22

3511.14

695526.8

645441.1

3370.26

4213.37

M

39

-

60

4.00

976.00

0.10

1.14

247520.0

229902.6

1291.81

1620.96

309400.0

287378.3

1614.77

2026.20

371279.9

344853.9

2401.88

3008.20

495039.9

459805.2

2583.63

3241.92

696149.8

646601.0

3633.23

4558.96

835379.8

775921.3

4359.88

5470.75

M

42

32

65

4.50

1120.0

0.10

1.14

283225.0

262939.0

1601.25

2005.46

354031.2

328673.8

2001.57

2506.83

424837.4

394408.5

3008.26

3779.32

566449.9

525878.0

3202.51

4010.93

796570.1

739516.0

4503.53

5640.37

955884.2

887419.2

5404.23

6768.44

M

45

-

70

4.50

1310.0

0.10

1.14

332751.5

309151.8

2005.51

2519.55

415939.4

386439.7

2506.89

3149.43

499127.3

463727.7

3609.77

4527.17

665503.0

618303.6

4011.0255039.09

935863.6

869489.3

5640.50

7086.23

1123036.0

1043387.0

6768.60

8503.47

M48

36

75

5.00

1470.0

0.10

1.14

372429.3

345862.9

2406.51

3018.11

465536.6

432328.7

3008.14

3772.64

558644.0

518794.4

4649.93

5850.78

744858.6

691725.8

4813.03

6036.23

1047457.0

972739.4

6768.32

8488.45

1256949.0

1167287.0

8121.98

10186.14

M

52

-

80

5.00

1760.0

0.10

1.14

448108.9

416499.0

3099.96

3900.52

560136.1

52.623.8

3874.95

4875.65

672163.4

624748.5

5757.21

7236.60

896217.8

832998.6

6199.91

7801.04

1260306.0

1171404.0

8718.63

10970.21

1512368.0

1405684.0

10462.36

13164.25

M

56

41

85

5.50

2030.0

0.10

1.14

516202.9

479683.4

3838.14

4824.40

645253.6

599604.2

4797.68

6030.50

774304.4

719525.1

7121.96

8989.06

1032406.0

959366.8

7676.29

9648.80

1451821.0

1349110.0

10794.78

13568.63

1742185.0

1618931.0

12963.73

16282.36

M

60

-

90

5.50

2360.0

0.10

1.14

602498.5

560267.5

4754.64

5992.71

753123.1

700334.4

5945.30

7940.88

903747.8

840401.2

8619.25

10852.70

1204997.0

1120535.0

9509.25

11985.42

1694527.0

4575752.0

13372.43

46854.49

2033432.0

1890903.0

16046.91

20225.39

M

64

46

95

6.00

2680.0

0.10

1.14

683339.5

635299.9

5746.17

7235.13

854174.4

794124.9

7182.71

9043.92

125009.0

958949.8

8619.25

10852.70

1366379.0

1270600.0

11492.34

14470.27

1921892.0

1786781.0

46161.10

20348.82

2306271.0

2144137.0

19393.32

24418.58

M

68

-

100

6.00

3060.0

0.10

1.14

782799.9

728201.8

6939.64

8758.24

978499.8

910252.2

8674.55

10947.80

1174200.0

1092303.0

1049.46

13137.36

1565000.0

1456404.0

13879.28

17516.48

2201625.0

2048068.0

19517.74

24632.55

2641950.0

2457681.0

23421.29

29559.06