Guide bushes
for punches
ISO 8978

Guide bushes for bunches 
ISO 8978

Material: Case-hardened steel

 

Execution:

hardened and tempered, ground to tolerance inside and outside. 

 

Hardness: HRC 62 + 2

Ordering example for a guide bushes for punches ISO 8978 with d1 = 6,0 mm and outside diameter d2 = 16mm:
Guide bushes for punches ISO 8978 6,0 x 16

Bore d1 H6

Increment

d2
n6

l1

euros
ea.

r

t

from

1,0

to

2,4

0,1

5

8,0

15,45

1,0

0,01

from

1,6

to

3,0

0,1

6

12,5

11,59

1,0

0,01

from

2,0

to

3,5

0,1

8

12,5

9,79

1,5

0,01

from

3,0

to

5,0

0,1

10

16,0

10,35

2,0

0,01

from

4,0

to

7,2

0,1

13

16,0

11,28

2,0

0,01

from

6,0

to

8,8

0,1

16

20,0

12,72

2,0

0,01

from

7,5

to

11,3

0,1

20

20,0

14,21

2,5

0,01

from

11,0

to

16,6

0,1

25

25,0

17,51

2,5

0,01

from

15,0

to

20,0

0,5

32

25,0

33,37

4,0

0,01

from

18,0

to

27,0

0,5

40

32,0

35,33

4,0

0,01

from

26,0

to

36,0

0,5

50

40,0

37,70

4,0

0,01

Increment of the bore:
0.1 mm up to  d 16,6 mm and D 25 mm
0.5 mm  from  d 15,0 mm and D 32 mm