CHENA INDUSTRIAL CO., LTD

unit:mm

NO.

M Internal thread selection

L

D
External
thread

Drilling diameter (reference)

Boxed price

(Metric)

P

(Imperial)

Plastic (soft)

Aluminum (medium)

Cast iron (hard)

Depth min.

A
(Groove type)

M3

0.5

6-32

6

M5-0.5

4.5~4.5

4.6~4.7

4.7~4.8

8

M4

0.7

8-32

8

M6.5-0.75

5.8~5.9

6.0~6.1

6.1~6.2

10

M5

0.8

10-24

10

M8-1.0

7.1~7.2

7.3~7.5

7.5~7.6

13

M6

1

12-24

12

M9-1.0

8.1~8.2

8.3~8.5

8.5~8.6

15

M6

1

1/4-20

14

M10-1.5

9.0~9.2

9.2~9.3

9.3~9.4

17

M8

1.25

5/16-18

15

M12-1.5

10.6~10.8

11.0~11.2

11.2~11.4

18

M10

1.5

3/8-16

18

M14-1.5

12.6~12.8

13.0~13.3

13.2~13.4

22

M12

1.75

7/16-14

22

M16-1.5

14.6~14.8

15.0~15.3

15.2~15.4

26

M16

2

3/4-10

22

M20-1.5

18.6~18.8

19.0~19.3

19.2~19.5

27

unit:mm

NO.

Internal thread selection

L

D
External
thread

Drilling diameter (reference)

Boxed price

M

P

Plastic (soft)

Aluminum (medium)

Cast iron (hard)

Depth min.

B
(Thin-walled)

M3

0.5

6

M4.5-0.5

4

4.1

4.2

8

M4

0.7

6

M6-0.7

5.3

5.5

5.6

8

M5

0.8

8

M7-0.8

6.3

6.4

6.5

10

M6

1

10

M8-1.0

7.1

7.3

7.5

13

M8

1.25

12

M10-1.25

8.6

8.9

9.3

15

M10

1.5

15

M12-1.5

10.6

10.9

11.3

18

unit:mm

NO.

M Internal thread selection

L

D
External
thread

Drilling diameter (reference)

Boxed price

(Metric)

P

(Imperial)

Aluminum (medium)

Cast iron (hard)

Depth min.

C
(Three-hole type)

M3

0.5

4-40

4

M5-0.6

4.6~4.7

4.7~4.8

6

6

8

M4

0.7

8-32

6

M6.5-0.8

6.0~6.1

6.1~6.2

8

8

10

M5

0.8

10-24

7

M8-1.0

7.4~7.5

7.6~7.7

9

10

13

M6

1

1/4-20

8

M10-1.25

9.3~9.4

9.5~9.6

10

12

15

M8

1.25

5/16-18

9

M12-1.5

11.1~11.3

11.3~11.5

11

14

19

M10

1.5

3/8-16

10

M14-1.5

13.1~13.3

13.3~13.5

13

18

22

M12

1.75

7/16-14

12

M16-1.75

15.0~16.2

15.3~15.5

15

22

26

M16

2

5/8-11

14

M20-2.0

19.0~19.2

19.3~19.5

17

24

28