Engineer's
Handbook
 
Reference Tables
 
Rapid
Prototyping
 
Manufacturing
Methods
 
Engineering
Materials
 
Engineering
Software
 
Reference Books
 
Mechanical
Components
 

Reference Tables -- Metric Thread Size & Tap Drill Table

Coarse Metric Thread Sizes
Thread Size Tap Drill (mm) Thread Size Tap Drill (mm)

M1 x 0.25

0.75

 

M12 x 1.75

10.20

M1.1 x 0.25

0.85

 

M14 x 2

12.00

M1.2 x 0.25

0.95

 

M16 x 2

14.00

M1.4 x 0.3

1.10

 

M18 x 2.5

15.50

M1.6 x 0.35

1.25

 

M20 x 2.5

17.50

M1.8 x 0.35

1.45

 

M22 x 2.5

19.50

M2 x 0.4

1.60

 

M24 x 3

21.00

M2.2 x 0.45

1.75

 

M27 x 3

24.00

M2.5 x 0.45

2.05

 

M30 x 3.5

26.50

M3 x 0.5

2.50

 

M33 x 3.5

29.50

M3.5 x 0.6

2.90

 

M36 x 4

32.00

M4 x 0.7

3.30

 

M39 x 4

35.00

M4.5 x 0.75

3.70

 

M42 x 4.5

37.50

M5 x 0.8

4.20

 

M45 x 4.5

40.50

M6 x 1

5.00

 

M48 x 5

43.00

M7 x 1

6.00

 

M52 x 5

47.00

M8 x 1.25

6.80

 

M56 x 5.5

50.50

M9 x 1.25

7.80

 

M60 x 5.5

54.50

M10 x 1.5

8.50

 

M64 x 6

58.00

M11 x 1.5

9.50

 

M68 x 6

62.00

 

Metric Fine Thread Sizes

Thread Size Tap Drill (mm) Thread Size Tap Drill (mm)

M4 x 0.35

3.60

 

M16 x 1

15.0

M4 x 0.5

3.50

 

M16 x 1.5

15.0

M5 x 0.5

4.50

 

M18 x 1

17.0

M6 x .5

5.50

 

M18 x 2

16.0

M6 x .75

5.25

 

M20 x 1

19.0

M7 x .75

6.25

 

M20 x 1.5

18.5

M8 x .5

7.00

 

M20 x 2

18.0

M8 x .75

7.25

 

M22 x 1

21.0

M8 x 1

7.50

 

M22 x 1.5

20.5

M9 x 1

8.00

 

M22 x 2

20.0

M10 x 0.75

9.25

 

M24 x 1.5

22.5

M10 x 1

9.0

 

M24 x 2

22.0

M10 x 1.25

8.8

 

M26 x 1.5

24.5

M11 x 1

10.0

 

M27 x 1.5

25.5

M12 x .75

11.25

 

M27 x 2

25.0

M12 x 1

11.0

 

M28 x 1.5

26.5

M12 x 1.5

10.5

 

M30 x 1.5

28.5

M14 x 1

13.0

 

M30 x 2

28.0

M14 x 1.25

12.8

 

M33 x 2

31.0

M14 x 1.5

12.5

 

M36 x 3

36.0

 


 

 

 

 

 

 


Copyright © 2004 - 2006 -- EngineersHandbook.com

All Rights Reserved - Contact Information
Privacy Policy
Disclaimer