螺套參數

美制規格

轉換為公制規格

公制規格

公稱長度

自由狀態圈數

鉆頭直徑

自由狀態外徑

kXd

mm

N

mm

mm

6-40

3.51X0.635

1d

3.5

3.6

3.7

4.40~4.60

1.5d

5.3

6.1

2d

7.0

8.6

8-36

4.16X0.705

1d

4.2

4.0

4.4

5.15~5.35

1.5d

6.3

6.8

2d

8.3

9.4

10-32

4.83X0.794

1d

4.8

4.2

5.1

5.95~6.20

1.5d

7.2

7.1

2d

9.6

9.8

1/4-28

6.35X0.907

1d

6.4

5.1

6.7

7.65~8.00

1.5d

9.5

8.4

2d

12.7

11.6

5/16-24

7.94X1.058

1d

7.9

5.7

8.2

9.45~9.70

1.5d

11.9

9.2

2d

15.9

12.6

3/8-24

9.52X1.058

1d

9.5

7.1

9.8

11.10~11.60

1.5d

14.3

11.3

2d

19.1

15.4

7/16-20

11.11X1.270

1d

11.1

6.9

11.5

12.90~13.30

1.5d

16.7

11.0

2d

22.2

15.2

5/16-18

7.94X1.411

1d

7.9

4.0

8.4

9.70~10.10

1.5d

11.9

6.6

2d

15.9

9.3

1/2-20

12.7X1.270

1d

12.7

8.2

13.1

14.50~14.90

1.5d

19.1

12.9

2d

25.4

17.6

9/16-18

14.29X1.411

1d

14.3

8.2

14.7

16.40~16.90

1.5d

21.5

12.9

2d

28.6

17.6

5/8-18

15.88X1.411

1d

15.9

9.2

16.3

18.20~18.60

1.5d

23.8

14.5

2d

31.8

19.7

3/4-16

19.05X1.588

1d

19.1

10.0

19.5

21.60~22.10

1.5d

28.6

15.6

2d

38.1

21.2

7/8-14

22.22X1.814

1d

22.2

10.3

22.7

25.00~25.60

1.5d

33.3

16.2

2d

44.5

21.9