Heading die blanks for making hexagonal nuts

Type

Dimension

Type

Dimension

S

D

Range of L

S

D

Range of L

BF02612-

2.6

12

8-12

-

BF12028-

12.0

28

18

5-7

BF03316-

3.3

16

8-12

-

BF12132-

12.1

32

8-12

 

BF03412-

3.4

12

8-12

-

BF12132-

12.1

32

18-22

 

BF04316-

4.3

16

8-12

-

BF13236-

13.2

36

20-24

 

BF04416-

4.4

16

10-14

-

BF13236-

13.2

36

26-34

 

BF04816-

4.8

16

12-16

-

BF13728-

13.7

28

12

5-7

BF04820-

4.8

20

12-16

-

BF14036-

14.0

36

25

5-7

BF06120-

6.1

20

5

5-7

BF15040-

15.0

40

22-24

 

BF06320-

6.3

20

14-18

-

BF15040-

15.0

40

26-34

 

BF06320-

6.3

20

14-18

-

BF16734-

16.7

34

12

5-7

BF07220-

7.2

20

6

5-7

BF17039-

17.0

39

30

5-7

BF07224-

7.2

24

14-18

-

BF17044-

17.0

44

26-34

 

BF07328-

7.3

28

14-18

-

BF17936-

17.9

36

13.5

5-7

BF07328-

7.3

28

18-22

-

BF19044-

19.0

44

18.5

5-7

BF08920-

8.9

20

7

5-7

BF19952-

19.9

52

34-38

 

BF09022-

9.0

22

8

5-7

BF20543-

20.5

43

16.5

5-7

BF09126-

9.1

26

16

5-7

BF22458-

22.4

58

20.5

5-7

BF09230-

9.2

30

14-18

-

BF22858-

22.8

58

36-44

 

BF09328-

9.3

28

14-18

-

BF22863-

22.8

63

44.5

5-7

BF09328-

9.3

28

18-22

-

BF22944-

22.9

44

17.0

5-7

BF11236-

11.2

36

20-24

-

BF28172-

28.1

72

45-55

 

BF11236-

11.2

36

26-34

-

BF28759-

28.7

59

24.0

5-7

BF11732-

11.7

32

19

5-7

 

 

 

 

 

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

Nominal inner dia.

Nominal length

18

18-30

30-50

50

6

0-0.45

0-0.55

0-0.65

-

6-10

0-0.50

0-0.60

0-0.70

0-0.80

10-14

0-0.55

0-0.70

0-0.80

0-0.90

14-18

0-0.60

0-0.80

0-0.90

0-1.00

18-24

0-0.65

0-0.90

0-1.00

0-1.10

24

0-0.70

0-1.00

0-1.10

0-1.20

 
Tolerances of out diameters(D) as per the table below (mm)

Nominal out
diameters

Nominal length

18

18-30

30-50

50

14

+0.50
-0.40

+0.50
-0.40

+0.60
-0.40

+0.65
-0.40

14-18

+0.55
-0.40

+0.55
-0.40

+0.60
-0.45

+0.65
-0.45

18-24

+0.60
-0.40

+0.60
-0.40

+0.65
-0.45

+0.70
-0.45

24-30

+0.65
-0.45

+0.65
-0.45

+0.70
-0.50

+0.75
-0.50

30-45

+0.70
-0.50

+0.70
-0.50

+0.75
-0.60

+0.80
-0.60

44-55

+0.75
-0.55

+0.80
-0.60

+0.85
-0.65

+0.80
-0.65

55

-

+0.90
-0.70

+0.95
-0.75

+1.00
-0.80

 
Tolerance of blank height(H) as per the table below (mm)

Nominal out
diameters

Nominal diameters

18

18-30

30-50

50

14

+0.50
-0.40

+0.50
-0.40

+0.60
-0.40

+0.65
-0.40

14-18

+0.55
-0.40

+0.55
-0.40

+0.60
-0.45

+0.65
-0.45

18-24

+0.60
-0.40

+0.60
-0.40

+0.65
-0.45

+0.70
-0.45

24-30

+0.65
-0.45

+0.65
-0.45

+0.70
-0.50

+0.75
-0.50

30-45

+0.70
-0.50

+0.70
-0.50

+0.75
-0.60

+0.80
-0.60

44-55

+0.75
-0.55

+0.80
-0.60

+0.85
-0.65

+0.80
-0.65

55

-

+0.90
-0.70

+0.95
-0.75

+1.00
-0.80

 
The flatness as per the table below

Nominal length

18

18-30

30-50

50

Flatness

0.30

0.35

0.40

0.55