MD3241 Cemented Carbide Buttons (Conical Buttons) for Mining & Drill Bits

Type

Dimensions (mm)

D

H

θ°

SR

α°

β°

e

YZ0711

7.25

11.0

60

2.8

20

25

1.6

YZ0912

8.25

12.0

60

3.0

20

25

1.6

YZ0812A

8.25

12.0

70

3.0

20

25

1.6

YZ0913

9.25

13.0

52

3.5

20

25

1.8

YZ0913A

9.25

13.0

70

3.0

20

25

1.8

YZ1015

10.25

15.0

52

4.0

20

25

1.8

YZ1117

11.30

17.0

52

4.0

20

25

2.0

YZ1218

12.35

18.0

55

4.5

20

20

2.0

YZ1319

13.35

19.0

56

4.5

20

20

2.0

YZ1420

14.35

20.0

56

5.0

20

20

2.3

Type

Dimensions (mm)

D

H

θ°

SR

α°

e

YZ0710-E10

7.25

11

55

3.0

18

1.0

YZ0711-E10

7.25

11

60

2.8

18

1.0

YZ0812-E10

8.25

12

60

3.0

18

1.0

YZ0913-E10

9.25

13

52

3.5

18

1.0

YZ1015-E12

10.25

15

52

4.0

18

1.2

YZ1117-E12

11.3

17

52

4.0

18

1.2

YZ1218-E15

12.35

18

55

4.5

18

1.5

YZ1319-E15

13.35

19

56

4.5

18

1.5

YZ1420-E18

14.35

20

56

5.0

18

1.8

YZ1521-E18

15.35

21

56

5.0

18

1.8

YZ1622-E18

16.35

22

56

5.5

18

1.8

Type

Dimensions (mm)

D

H

θ°

SR

α°

e

Rq

YZ1217-E10Q

12.20

17.0

42

5.0

18

1.0

3.0

YZ1318-E10Q

13.20

18.0

48

4.5

18

1.0

3.0

YZ1319-E15Q

13.35

19.0

45

5.0

18

1.5

3.0

YZ1419-E10Q

14.20

19.0

48

5.0

18

1.0

3.0

YZ1420-E18Q

14.35

20.0

45

5.0

18

1.8

3.00

Grades, Properties and Recommended Applications

Grade

Physical and Mechanical Properties

Recommended Applications

Cobalt
%.

Density
g/cm3

Hardness
HRA

TRS
N/mm2

ZK05A

6.0

14.93

90.8

2500

Small to medium-sized buttons
Used in DTH drills and top hammer drills
For drilling soft and medium-hard rock

ZK05H

6.0

14.93

90.5

2600

ZK05

6.0

14.93

90.2

2600

ZK05C

6.0

14.93

89.8

2700

Small to medium-sized buttons
Used in DTH drill bits and top hammer drill bits
For drilling medium-hard and hard rock

ZK7

7.0

14.82

89.8

2700

ZK10A

8.0

14.72

90.0

2700

ZK10C

8.0

14.72

89.0

2800

Buttons in DTH drills and top hammer drills
For drilling medium-hard and hard rock

ZK10C

8.0

14.72

88.0

2900

ZK20A

10.0

14.50

87.5

2900

Buttons in DTH drills and tri-cone drills
For drilling medium-hard and hard rock.
Also for cemented carbide inserts in other drill bits

ZK20A

10.0

14.50

87.2

2800

ZK30

11.0

14.40

86.5

3000

ZK59

13.0

14.20

86.0

2900

Cemented carbide buttons in tri-cone drills
For drilling medium-hard and hard rock
Also for cemented carbide inserts in TBM cutters

ZK60

15.0

14.00

85.5

2900

YG16C

16.0

13.90

84.5

2900