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Hexalobular socket countersunk head screw
 
ISO ≈10642
DIN ≈7991
NF ≈E25-107
Technical Parameter

d

M4

M5

M6

M8

P

0,7

0,8

1

1,25

dk

8

10

12

16

k (max.)

2,3

2,8

3,3

4,4

α

90º

90º

90º

90º

Socket

No.20

No.25

No.30

No.40

b

14

16

18

22

Product Category

Thread

Driving features

Material

Class

Surface treatment

Packaging

Code

M

hexalobular

St

08.8/8.8

Zipl

Standard

07450