4g6g外螺纹极限尺寸　　　　　　　　　　　　　　　　　　　　　　　mm

螺纹标记

大径d

中径d₂

小径d₃

max

min

T_d

6g

max

min

T_d2

4g

max

min

T_d3

MJ1.6×0.35-4g6g

1.581

1.496

0.085

1.354

1.314

0.040

1.177

1.116

0.061

MJ1.8×0.35-4g6g

1.781

1.696

0.085

1.554

1.514

0.040

1.377

1.316

0.061

MJ2×0.4-4g6g

1.981

1.886

0.095

1.721

1.679

0.042

1.519

1.453

0.066

MJ2.2×4.5-4g6g

2.180

2.080

0.100

1.888

1.843

0.045

1.660

1.588

0.072

MJ2.5×0.35-4g6g

2.481

2.396

0.080

2.254

2.214

0.040

2.077

2.016

0.061

MJ2.5×0.45-4g6g

2.480

2.380

0.100

2.188

2.143

0.045

1.960

1.888

0.072

MJ3×0.35-4g6g

2.981

2.896

0.085

2.754

2.712

0.042

2.577

2.514

0.063

MJ3×0.5-4g6g

2.980

2.874

0.106

2.655

2.607

0.048

2.402

2.324

0.078

MJ3.5×0.35-4g6g

3.481

3.396

0.085

3.254

3.212

0.042

3.077

3.014

0.063

MJ3.5×0.6-4g6g

3.479

3.354

0.125

3.089

3.063

0.052

2.786

2.697

0.089

MJ4×0.5-4g6g

3.980

3.874

0.106

3.655

3.607

0.048

3.402

3.324

0.078

MJ4×0.7-4g6g

3.987

3.838

0.140

3.523

3.467

0.056

3.169

3.071

0.098

MJ4.5×0.5-4g6g

4.480

4.374

0.106

4.155

4.107

0.048

3.902

3.824

0.078

MJ4.5×0.75-4g6g

4.478

4.338

0.140

3.991

3.935

0.056

3.612

3.511

0.101

MJ5×0.5-4g6g

4.980

4.874

0.106

4.655

4.607

0.048

4.402

4.324

0.078

MJ5×0.8-4g6g

4.976

4.826

0.150

4.456

4.396

0.060

4.052

3.944

0.108

MJ5.5×0.5-4g6g

5.480

5.374

0.106

5.155

5.107

0.048

4.902

4.824

0.078

MJ6×0.75-4g6g

5.978

5.838

0.140

5.491

5.428

0.063

5.112

5.004

0.108

MJ6×1-4g6g

5.974

5.794

0.180

5.324

5.253

0.071

4.819

4.687

0.132

MJ7×0.75-4g6g

6.978

6.838

0.140

6.491

6.428

0.063

6.112

6.004

0.108

MJ7×1-4g6g

6.974

6.794

0.180

6.324

6.253

0.071

5.819

5.687

0.132

MJ8×0.75-4g6g

7.978

7.838

0.140

7.491

7.428

0.063

7.112

7.004

0.108

MJ8×1-4g6g

7.974

7.794

0.180

7.324

7.253

0.071

6.819

6.687

0.132

MJ8×1.25-4g6g

7.972

7.760

0.212

7.160

7.085

0.075

6.529

6.378

0.151

MJ9×0.75-4g6g

8.978

8.838

0.140

8.491

8.428

0.063

8.112

8.004

0.108

MJ9×1-4g6g

8.974

8.794

0.180

8.324

8.253

0.071

7.819

7.687

0.132

MJ9×1.25-4g6g

8.972

8.760

0.212

8.160

8.085

0.075

7.529

7.378

0.151

MJ10×0.75-4g6g

9.978

9.838

0.140

9.491

9.428

0.063

9.112

9.004

0.108

MJ10×1-4g6g

9.974

9.794

0.180

9.324

9.253

0.071

8.819

8.687

0.132

MJ10×1.25-4g6g

9.972

9.760

0.212

9.160

9.085

0.075

8.529

8.378

0.151

MJ10×1.5-4g6g

9.968

9.732

0.236

9.994

9.909

0.085

8.236

8.060

0.176

MJ11×0.75-4g6g

10.978

10.838

0.140

10.491

10.428

0.063

10.112

10.004

0.108

MJ11×1-4g6g

10.974

10.794

0.180

10.324

10.253

0.071

9.819

9.687

0.132

MJ11×1.25-4g6g

10.972

10.760

0.212

10.160

10.085

0.075

9.529

9.378

0.151

MJ11×1.5-4g6g

10.968

10.732

0.236

9.994

9.909

0.085

9.236

9.060

0.176

MJ12×1-4g6g

11.974

11.794

0.180

11.324

11.249

0.075

10.819

10.683

0.136

MJ12×1.25-4g6g

11.972

11.760

0.212

11.160

11.075

0.085

10.529

10.368

0.161

MJ12×1.5-4g6g

11.968

11.732

0.236

10.994

10.904

0.090

10.236

10.055

0.181

MJ12×1.75-4g6g

11.966

11.701

0.265

10.829

10.734

0.095

9.945

9.744

0.201

MJ14×1-4g6g

13.974

13.794

0.180

13.324

13.249

0.075

12.819

12.683

0.136

MJ14×1.25-4g6g

13.972

13.760

0.212

13.160

13.075

0.085

12.529

12.368

0.161

MJ14×1.5-4g6g

13.968

13.732

0.236

12.994

12.904

0.090

12.236

12.055

0.181

MJ14×2-4g6g

13.962

13.682

0.280

12.663

12.563

0.100

11.653

11.431

0.222

MJ15×1-4g6g

14.974

14.794

0.180

14.324

14.249

0.075

13.819

13.683

0.136

MJ15×1.5-4g6g

14.968

14.732

0.236

13.994

13.904

0.090

13.236

13.055

0.181

MJ16×1-4g6g

15.974

15.794

0.180

15.324

15.249

0.075

14.819

14.683

0.136

MJ16×1.5-4g6g

15.968

15.732

0.236

14.994

14.904

0.090

14.236

14.055

0.181

MJ16×2-4g6g

15.962

15.682

0.280

14.663

14.563

0.100

13.653

13.431

0.222

MJ17×1-4g6g

16.974

16.794

0.180

16.324

16.249

0.075

15.819

15.683

0.136

MJ17×1.5-4g6g

16.968

16.732

0.236

15.994

15.904

0.090

15.236

15.055

0.181

MJ18×1-4g6g

17.974

17.794

0.180

17.324

17.249

0.075

16.819

16.683

0.136

MJ18×1.5-4g6g

17.968

17.732

0.236

16.994

16.904

0.090

16.236

16.055

0.181

MJ18×2-4g6g

17.962

17.682

0.280

16.663

16.536

0.100

15.653

15.431

0.222

MJ18×2.5-4g6g

17.958

17.623

0.335

16.334

16.228

0.106

15.074

14.814

0.257

MJ20×1-4g6g

19.974

19.794

0.180

19.324

19.249

0.075

18.819

18.683

0.136

MJ20×1.5-4g6g

19.967

19.732

0.236

18.994

18.904

0.090

18.236

18.055

0.181

MJ20×2-4g6g

19.962

19.682

0.280

18.663

18.563

0.100

17.653

17.431

0.222

MJ20×2.5-4g6g

19.958

19.623

0.335

18.334

18.228

0.106

17.071

16.814

0.257

MJ22×1-4g6g

21.974

21.794

0.180

21.324

21.249

0.075

20.819

20.683

0.136

MJ22×1.5-4g6g

21.968

21.732

0.236

20.994

20.904

0.090

20.236

20.055

0.181

MJ22×2-4g6g

21.962

21.682

0.280

20.663

20.563

0.100

19.653

19.431

0.222

MJ22×2.5-4g6g

21.925

21.623

0.335

20.334

20.228

0.106

19.071

18.814

0.257

MJ24×1-4g6g

23.974

23.794

0.180

23.324

23.244

0.080

22.819

22.678

0.141

MJ24×1.5-4g6g

23.968

23.732

0.236

22.994

22.899

0.095

22.236

22.050

0.186

MJ24×2-4g6g

23.962

23.682

0.280

22.663

22.557

0.106

21.653

21.425

0.228

MJ24×3-4g6g

23.952

23.577

0.375

22.003

21.878

0.125

20.488

20.181

0.307

MJ25×1-4g6g

24.941

24.794

0.180

24.324

24.244

0.080

23.819

23.678

0.141

MJ25×1.5-4g6g

24.968

24.732

0.236

23.994

23.899

0.095

23.236

23.050

0.186

MJ25×2-4g6g

24.962

24.682

0.280

23.663

23.557

0.106

22.653

22.425

0.228

MJ26×1.5-4g6g

25.968

25.732

0.236

24.994

24.899

0.095

24.236

24.050

0.186

MJ27×1-4g6g

26.974

26.794

0.180

26.324

26.244

0.080

25.819

25.678

0.141

MJ27×1.5-4g6g

26.968

26.732

0.236

25.994

25.899

0.095

25.236

25.050

0.186

MJ27×2-4g6g

26.962

26.682

0.280

25.663

25.557

0.106

24.653

24.425

0.228

MJ27×3-4g6g

26.952

26.577

0.375

25.003

24.878

0.125

23.488

23.181

0.307

MJ28×1-4g6g

27.974

27.794

0.180

27.324

27.244

0.080

26.819

26.678

0.141

MJ28×1.5-4g6g

27.968

27.732

0.236

26.994

26.899

0.095

26.236

26.050

0.186

MJ28×2-4g6g

27.962

27.682

0.280

26.663

26.557

0.106

25.653

25.425

0.228

MJ30×1-4g6g

29.974

29.794

0.180

29.324

29.244

0.080

28.819

28.678

0.141

MJ30×1.5-4g6g

29.968

29.732

0.236

28.994

28.899

0.095

28.236

28.050

0.186

MJ30×2-4g6g

29.962

29.682

0.280

28.663

28.557

0.106

37.653

27.425

0.228

MJ30×3-4g6g

29.952

29.577

0.375

28.003

27.878

0.125

26.488

26.181

0.307

MJ30×3.5-4g6g

29.947

29.522

0.425

27.674

27.542

0.132

25.906

25.562

0.344

MJ32×1.5-4g6g

31.968

31.732

0.236

30.994

30.899

0.095

30.236

30.050

0.186

MJ32×2-4g6g

31.962

31.682

0.280

30.663

30.557

0.106

29.653

29.425

0.228

MJ33×1.5-4g6g

32.968

32.732

0.236

31.994

31.899

0.095

31.236

31.050

0.186

MJ33×2-4g6g

32.962

32.682

0.280

31.663

31.557

0.106

30.653

30.425

0.228

MJ33×3-4g6g

32.952

32.577

0.375

31.003

30.878

0.125

29.488

29.181

0.307

MJ33×3.5-4g6g

32.947

32.522

0.425

30.674

30.542

0.132

28.906

28.562

0.344

MJ35×1.5-4g6g

34.968

34.732

0.236

33.994

33.899

0.095

33.236

33.050

0.186

MJ35×2-4g6g

34.962

34.682

0.280

33.663

33.557

0.106

32.653

32.425

0.228

MJ36×1.5-4g6g

35.968

35.732

0.236

34.994

34.899

0.095

34.236

34.050

0.186

MJ36×2-4g6g

35.962

35.682

0.280

34.663

34.557

0.106

33.653

33.425

0.228

MJ36×3-4g6g

35.952

35.577

0.375

34.003

33.878

0.125

32.488

32.181

0.307

MJ36×4-4g6g

35.940

35.465

0.475

33.342

33.202

0.140

31.321

30.939

0.382

MJ38×1.5-4g6g

37.968

37.732

0.236

36.994

36.899

0.195

36.236

36.050

0.186

MJ39×1.5-4g6g

38.968

38.732

0.236

37.994

37.899

0.095

37.236

37.050

0.186

MJ39×2-4g6g

38.962

38.628

0.280

37.663

37.557

0.106

36.653

36.425

0.228

MJ39×3-4g6g

38.952

38.577

0.375

37.003

36.878

0.125

35.488

35.181

0.307

MJ39×4-4g6g

38.940

38.465

0.475

36.342

36.202

0.140

34.321

33.939

0.382

MJ40×1.5-4g6g

39.968

39.732

0.236

38.994

38.899

0.095

38.236

38.050

0.186

MJ40×2-4g6g

39.962

39.682

0.280

38.663

38.557

0.106

37.653

37.425

0.228

MJ40×3-4g6g

39.952

39.577

0.375

38.003

37.878

0.125

34.488

36.181

0.307

MJ42×1.5-4g6g

41.968

41.732

0.236

40.994

40.899

0.095

40.236

40.050

0.186

MJ42×2-4g6g

41.962

41.682

0.280

40.663

40.557

0.106

39.653

39.425

0.228

MJ42×3-4g6g

41.952

41.577

0.375

40.003

39.878

0.125

38.488

38.181

0.307

MJ42×4-4g6g

41.940

41.465

0.475

39.342

39.202

0.140

37.321

36.939

0.382

MJ42×4.5-4g6g

41.937

41.437

0.50

39.014

38.864

0.150

36.741

36.318

0.423

MJ45×1.5-4g6g

44.968

44.732

0.236

43.994

43.899

0.095

43.236

43.050

0.186

MJ45×2-4g6g

44.962

44.682

0.280

43.663

43.557

0.106

42.653

42.425

0.228

MJ45×3-4g6g

44.952

44.577

0.375

43.003

42.878

0.125

41.488

41.181

0.307

MJ45×4-4g6g

44.940

44.465

0.475

42.342

42.202

0.140

40.321

39.939

0.382

MJ45×4.5-4g6g

44.937

44.437

0.500

42.014

41.864

0.150

39.741

39.318

0.423

注：外螺纹小径的最大值为d_3max＝d_2max-0.50518P；

外螺纹小径的最小值为d_3min＝d_2min-0.56580P。