Punching die blanks for making steel balls

Type

Dimension (mm)

d1

D

H

d

h

r1

r2

BG01812102

1.8

12.2

10.2

0.8

0.5

0.4

1.0

BG02212102

2.2

12.2

10.2

0.8

0.7

0.4

1.0

BG02612102

2.6

12.2

10.2

0.9

0.9

0.4

1.0

BG03012102

3.0

12.2

10.2

0.9

1.2

0.4

1.0

BG03412102

3.4

12.2

10.2

0.9

1.3

0.4

1.0

BG02812102

3.8

12.2

10.2

0.9

1.5

0.4

1.0

BG04212102

4.2

12.2

10.2

0.9

1.7

0.4

1.0

BG04812102

4.8

12.2

10.2

0.9

2.0

0.4

1.0

BG05215122

5.2

15.2

12.2

0.9

2.2

0.6

1.5

BG05615122

5.6

15.2

12.2

1.3

2.3

0.6

1.5

BG06015122

6.0

15.2

12.2

1.3

2.5

0.6

1.5

BG06515122

6.5

15.2

12.2

1.3

2.8

0.6

1.5

BG06820152

6.8

20.2

15.2

1.3

2.8

0.6

1.5

BG07320152

7.3

20.2

15.2

1.8

3.1

0.6

1.5

BG08120152

8.1

20.2

15.2

1.8

3.5

0.6

1.5

BG08620152

8.6

20.2

15.2

1.8

3.8

0.6

1.5

BG09625202

9.6

25.3

20.2

2.3

4.2

0.8

2.0

BG10225202

10.2

25.3

20.2

2.3

4.6

0.8

2.0

BG10525202

10.5

25.3

20.2

2.3

5.0

0.8

2.0

BG11225202

11.2

25.3

20.2

2.3

5.0

0.8

2.0

BG11630202

11.6

30.3

20.2

2.3

5.0

0.8

2.0

BG12030202

12.0

30.3

20.2

2.8

5.4

0.8

2.0

BG12430202

12.4

30.3

20.2

2.8

5.6

0.8

2.0

BG12830202

12.8

30.3

20.2

2.8

5.8

0.8

2.0

BG13730202

13.7

30.3

20.2

2.8

6.2

0.8

2.0

BG14030202

14.0

30.3

20.2

2.8

6.2

0.8

2.0

BG14530202

14.5

30.3

20.2

3.3

6.6

0.8

2.0

BG15335252

15.3

35.4

25.2

3.3

7.0

0.8

2.0

BG16035252

16.0

35.4

25.2

3.3

7.3

0.8

2.0

BG16835252

16.8

35.4

25.2

3.3

7.7

0.8

2.0

BG17235252

17.2

35.4

25.2

3.8

7.7

0.8

2.0

BG17640252

17.6

40.4

25.2

3.8

8.0

0.8

2.0

BG18440252

18.4

40.4

25.2

3.8

8.3

0.8

2.0

BG19240252

19.2

40.4

25.2

3.8

8.7

0.8

2.0

BG20045302

20.0

45.4

30.2

3.8

9.1

1.0

2.5

BG20845302

20.8

45.4

30.2

3.8

9.5

1.0

2.5

BG21645302

21.6

45.4

30.2

3.8

9.8

1.0

2.5

BG22445302

22.4

45.4

30.2

3.8

10.2

1.0

2.5

BG23250302

23.2

50.4

30.2

4.3

10.6

1.0

2.5

BG24050302

24.0

50.4

30.2

4.3

11.0

1.0

2.5

BG24850302

24.8

50.4

30.2

4.3

11.4

1.0

2.5

BG25550302

25.5

50.4

30.2

4.3

11.8

1.0

2.5

 
Tolerances of outer diameter (D) and height (H) as per the table below (mm)

Nominal inner dia.

Allowed tolerance

Normal class

14

0.35

14-18

0.40

18-25

0.45

25-30

0.50

30-40

0.60

40-50

0.65

50-60

0.70

 
Tolerance of inner diameter (d) as per the table below (mm)

Inner diameter

Allowed tolerance

Normal class

d1

+0.40
-0.10