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What is Thread Pitch?

 

The common definition of thread pitch is the distance from one thread groove to the next, measured from crest to crest.

 

 

Thread Pitch Dimensions (Metric)

 

Size

Standard

Fine

M1.6

0.35

 

M2

0.4

 

M2.5

0.45

 

M3

0.5

 

M4

0.7

 

M5

0.8

 

M6

1.0

 

M8

1.25

1.0

M10

1.5

1.25

M12

1.75

1.5

M16

2.0

1.5

M20

2.5

1.5

M24

3.0

2.0

M30

3.5

2.0

M36

4.0

3.0