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American Standard Specification for Depth of Threads

 

Depths of Threads

Thread

Code

Tapped Through (mm)

Blind Tap Depth (mm)

 

 

Aluminum, Brass, Steel, Nylon

Stainless Steel

Aluminum, Brass, S.S., Steel, Nylon

M2X0.4

M2.5X0.45

M3X0.5

M3.5X0.6

M4X0.7

M5X0.8

M6X1

M8X1.25

 

2004

2545

3005

3506

4007

5008

6010

8025

 

9

19

25

25

25

28

31

31

 

6

16

19

25

25

25

31

31

 

4.7

4.7

6.3

9.5

11.1

12.7

16

16