Carbide Gear Milling Bits

Parabolic type (D Types)

Carbide buttons due to its high hardness of the cemented carbide and other characteristics are widely used in mining and quarrying and cutting process, also may be placed on a heavy excavators used in bit.


Grade

Density

g/cm3

Bending   Strength

MPa

Hardness

HRA

Characteristics and recommended

YG4C

15.1

1800

90

Mainly used for cutting hard material in the soft of drill bit.

YG6

14.95

1900

90.5

Used for electric coal drill, coal cutter tooth, oil roller bit and scraper button bit.

YG8

14.8

2200

89.5

Used as a core drill, electric coal drill, coal cutter tooth, oil roller bit and scraper button bit.

YG8C

14.8

2400

88.5

Mainly used for small and medium-sized drill bit tooth, and as a rotating exploration drill bush

YG11C

14.4

2700

86.5

Most used in the drill bit and rock bit used for cutting high hardness materials ball tooth.

YG13C

14.2

2850

86.5

 mainly used for rotary drill bit used for cutting high hardness materials in ball mill.

YG15C

14

3000

85.5

Used in oil cone bit and soft in the hard rock digging cutting tools

Type

Dimensions

Angles

D

H

SR1

SR2

α°

β °

SD1016

10.25

16

2.71

12.29

20

26.5

SD1319

13.25

19

4

11.2

18

27

SD1218

12.35

18

3

12

25

25

SD0913

9.25

13

2.5

11

20

28

SD0915

9.25

15

2.5

11

20

28

SD0914

9.25

14

2.5

11

20

28

SD0611

6.3

11

1.51

7.43

20

26.5

SD0712

7.25

12

1.91

8.65

20

26.5

SD0814

8.25

14

2.17

9.85

20

26.5

SD1017

10.25

17

1.71

12.29

20

26.5

SD1118

11.3

18

2.98

13.48

20

27.5

SD083

8.25

13.26

3.1

9.06

20

28


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