ねじの呼び

メートル並目ねじの基準寸法

メートル細目ねじの基準寸法

1欄

2欄

3欄

付属書

ピッチP

めねじ

ピッチP

めねじ

谷の径D

有効径D2

内径D1

谷の径D

有効径D2

内径D1

おねじ

おねじ

外径d

有効径d2

谷の径d1

外径d

有効径d2

谷の径d1

M1

0.25

1

0.838

0.729

0.2

1

0.87

0.783

M1.1

0.25

1.1

0.938

0.829

0.2

1.1

0.97

0.883

M1.2

0.25

1.2

1.038

0.929

0.2

1.2

1.07

0.983

M1.4

0.3

1.4

1.205

1.075

0.2

1.4

1.27

1.183

M1.6

0.35

1.6

1.373

1.221

0.2

1.6

1.47

1.383

M1.7

0.35

1.7

1.473

1.321

–

–

－

–

M1.8

0.35

1.8

1.573

1.421

0.2

1.8

1.67

1.583

M2

0.4

2

1.74

1.567

0.25

2

1.838

1.729

M2.2

0.45

2.2

1.908

1.713

0.25

2.2

2.038

1.929

M2.3

0.4

2.3

2.04

1.867

–

–

－

–

M2.5

0.45

2.5

2.208

2.013

0.35

2.5

2.273

2.121

M2.6

0.45

2.6

2.308

2.113

–

–

－

–

M3

0.5

3

2.675

2.459

0.35

3

2.773

2.621

M3.5

0.6

3.5

3.11

2.85

0.35

3.5

3.273

3.121

M4

0.7

4

3.545

3.242

0.5

4

3.675

3.459

M4.5

0.75

4.5

4.013

3.688

0.5

4.5

4.175

3.959

M5

0.8

5

4.48

4.134

0.5

5

4.675

4.459

M6

1

6

5.35

4.917

0.75

6

5.513

5.188

M7

1

7

6.35

5.917

0.75

7

6.513

6.188

M8

1.25

8

7.188

6.647

1

8

7.35

6.917

M9

1.25

9

8.188

7.647

1

9

8.35

7.917

M10

1.5

10

9.026

8.376

1.25

10

9.188

8.647

M11

1.5

11

10.026

9.376

1

11

10.35

9.917

M12

1.75

12

10.863

10.106

1.25

12

11.188

10.647

M14

2

14

12.701

11.835

1.5

14

13.026

12.376

M16

2

16

14.701

13.835

1.5

16

15.026

14.376

M18

2.5

18

16.376

15.294

1.5

18

17.026

16.376

M20

2.5

20

18.376

17.294

1.5

20

19.026

18.376

M22

2.5

22

20.376

19.294

1.5

22

21.026

20.376

M24

3

24

22.051

20.752

2

24

22.701

21.835

M27

3

27

25.051

23.752

2

27

25.701

24.835

M30

3.5

30

27.727

26.211

2

30

28.701

27.835

M33

3.5

33

30.727

29.211

2

33

31.701

30.835

M36

4

36

33.402

31.67

3

36

34.051

32.752

M39

4

39

36.402

34.67

3

39

37.051

35.752

M42

4.5

42

39.077

37.129

4

42

39.402

37.67

M45

4.5

45

42.077

40.129

4

45

42.402

40.67

M48

5

48

44.752

42.587

4

48

45.402

43.67

M52

5

52

48.752

46.587

4

52

49.402

47.67

M56

5.5

56

52.428

50.046

4

56

53.402

51.67

M60

5.5

60

56.428

54.046

4

60

57.402

55.67

M64

6

64

60.103

57.505

4

64

61.402

59.67

M68

6

68

64.103

61.505

4

68

65.402

63.67