Dies with start hole
ISO 8977 B

Dies with start hole
ISO 8977 B

Material: HSS

 

Execution:

hardened and tempered, ground to tolerance inside and outside. 

 

Hardness: HRC 64 ± 2

Ordering example for a die with start hole, type B with outside diameter D = 8 mm and overall length = 20 mm:

Die with start hole ISO 8977 B 8,0 x 20

d

D
m5

D1
0
-0,25

d1
max

L
+ 0,5
0

l

h
+ 0,5
0

euros
ea.

L
+ 0,5
0

euros
ea.

L
+ 0,5
0

euros
ea.

L
+ 0,5
0

euros
ea.

1,0

8

11

4,0

16

4

5

12,26

20

13,13

25

14,73

32

16,48

1,0

10

13

5,8

16

4

5

12,05

20

13,08

25

14,52

32

15,97

1,2

13

16

8,0

-

5

5

-

20

13,29

25

14,73

32

16,74

1,2

16

19

9,5

-

5

5

-

20

14,21

25

15,97

32

18,23

1,5

20

23

12,0

-

8

5

-

20

15,24

25

17,10

32

19,98

1,5

25

28

17,3

-

8

5

-

20

15,97

25

18,03

32

21,63

1,5

32

35

20,7

-

8

5

-

20

27,81

25

31,93

32

39,14

1,5

40

43

27,7

-

8

5

-

20

30,39

25

34,51

32

40,17

1,5

50

53

37,0

-

8

5

-

20

38,11

25

41,72

32

42,23

Imortant:

The diagonal profile should not be longer than d1 max. on dies for square and rectangular forming.