Standard: 3164A
 
Origin of the standard: Russia
 
Name: Screws with a cylindrical head and a securing hole in the head.

 

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3164A
3164A

Dimensions:

H

2,3

2,7

3,0

3,5

4,5

5,5

7,0

9,0

D

3,5

4,2

4,5

5,0

6,0

7,5

9,0

12,0

15,0

d1

1,0

1,2

1,5

          

 

There are alternatives to the standard.