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Hexagon socket head shoulder screw h8
 
ISO ≈7379
BS ≈4168-7
ANSI ≈B18.3.3M
Technical Parameter


d

M5

M6

M8

M10

M12

P

0,8

1

1,25

1,5

1,75

ds (nom.)

6 (≠ISO)

8

10

12 (≠ISO)

16

Tolerance h8 (max.)

6,000

8,000

10,000

12,000

16,000

Tolerance h8 (min.)

5,982

7,978

9,978

11,973

15,973

b

9,5

11

13

16

18

dk (max.)

10,22

13,27

16,27

18,27

24,33

k (max.)

4,5

5,5

7

9 (≠ISO)

11 (≠ISO)

s

3

4

5

6

8


Product Category

Thread              Driving features             Material                      Class                            Packaging                          Code

M                       hexagon socket                   St                              012.9/12.9                     Standard                             07117