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Hexagon socket head shoulder screw UNC
 
BS ≈2470
ANSI ≈B18.3
Technical Parameter


d

No.10

1/4

5/16

3/8

1/2

5/8

Threads per inch

24

20

18

16

13

11

ds (nom.)

1/4

5/16

3/8

1/2

5/8

3/4

Tolerance ds (min.)

6,299

7,887

9,474

12,649

15,824

18,999

Tolerance ds (max.)

6,248

7,836

9,423

12,598

15,773

18,948

E

9,5

11,1

12,7

15,9

19,05

22,2

A (max.)

9,5

11,1

14,3

19,05

22,2

24,4

H (max.)

4,75

5,56

6,35

7,95

9,5

12,5

J

1/8

5/32

3/16

1/4

5/16

3/8


Product Category


Thread

Drivingfeatures                         Material                    Class                    Packaging                   Code

UNC

hexagon socket                           St                                12.9                     Standard                   07116