產品介紹 Course Introduction

規       格

鑽 頭 徑

長                       度             mm

公制螺紋

mm

1D

1.5D

2D

2.5D

3D

M 2 × 0.4

2.1

2

3

4

5

6

M 2.2 × 0.45

2.3

2.2

3.3

4.4

5.5

6.6

M 2.5 × 0.45

2.5

2.5

3.8

5

6.3

7.5

M 2.6 × 0.45

2.7

2.6

3.9

5.2

6.5

7.8

M 3 × 0.5

3.1

3

4.5

6

7.5

9

M 4 × 0.7

4.2

4

6

8

10

12

M 5 × 0.8

5.2

5

7.5

10

12.5

15

M 6 × 1.0

6.3

6

9

12

15

18

M 8 × 1.25

8.4

8

12

16

20

24

M 10 × 1.0

10.3

10

15

20

25

30

M 10 × 1.25

10.5

10

15

20

25

30

M 10 × 1.5

10.5

10

15

20

25

30

M 12 × 1.25

12.5

12

18

24

30

36

M 12 × 1.5

12.5

12

18

24

30

36

M 12 × 1.75

12.5

12

18

24

30

36

M 14 × 1.25

14.5

14

21

28

35

42

M 14 × 1.5

14.5

14

21

28

35

42

M 14 × 2.0

14.5

14

21

28

35

42

M 16 × 1.5

16.5

16

24

32

40

48

M 16 × 2.0

16.5

16

24

32

40

48

M 18 × 1.5

18.5

18

27

36

45

54

M 18 × 2.5

19

18

27

36

45

54

M 20 × 1.5

20.5

20

30

40

50

60

M 20 × 2.5

21

20

30

40

50

60

M 22 × 1.5

22.5

22

33

44

55

66

M 22 × 2.5

23

22

33

44

55

66

M 24 × 1.5

24.5

24

36

48

60

72

M 24 × 3.0

25

24

36

48

60

72

英制螺紋

mm

1D

1.5D

2D

2.5D

3D

U # 4 - 40

3

0.112

0.168

0.224

0.28

0.366

U # 5 - 40

3.3

0.125

0.188

0.25

0.312

0.375

U # 6 - 32

3.7

0.138

0.207

0.276

0.345

0.414

U # 6 - 40

3.7

0.138

0.207

0.276

0.345

0.414

U # 8 - 32

4.4

0.164

0.246

0.328

0.41

0.492

U # 8 - 36

4.4

0.164

0.246

0.328

0.41

0.492

U # 10 - 24

5.1

0.19

0.285

0.38

0.475

0.57

U # 10 - 32

5

0.19

0.285

0.38

0.475

0.57

U # 12 - 24

5.7

0.216

0.324

0.432

0.54

0.648

U # 12 - 28

5.7

0.216

0.324

0.432

0.54

0.648

U # 1/4 - 20

6.7

0.25

0.375

0.5

0.625

0.75

U # 1/4 - 28

6.6

0.25

0.375

0.5

0.625

0.75

U # 5/16 - 18

8.4

0.312

0.469

0.625

0.781

0.938

U # 5/16 - 24

8.2

0.312

0.469

0.625

0.781

0.938

U # 3/8 - 16

10

0.375

0.562

0.75

0.938

1.125

U # 3/8 - 24

9.8

0.375

0.562

0.75

0.938

1.125

U # 7/16 - 14

11.5

0.438

0.656

0.875

1.094

1.312

U # 7/16 - 20

11.5

0.438

0.656

0.875

1.094

1.312

U # 1/2 - 13

13.1

0.5

0.75

1

1.25

1.5

U # 1/2 - 20

13.1

0.5

0.75

1

1.25

1.5

U # 9/16 - 12

14.7

0.562

0.844

1.125

1.406

1.688

U # 9/16 - 18

14.7

0.562

0.844

1.125

1.406

1.688

U # 5/8 - 11

16.7

0.625

0.938

1.25

1.562

1.875

U # 5/8 - 18

16.7

0.625

0.938

1.25

1.562

1.875

U # 3/4 - 10

20

0.75

1.125

1.5

1.875

2.25

U # 3/4 - 16

19.5

0.75

1.125

1.5

1.875

2.25

U # 1 -  8

26.5

1

1.5

2

2.5

3