Outer diameter

Core-Bit’s Length (mm)

Dimension of tooth (mm)

Number of teet

mm

Length

Height

Thickness

20

380

20

8

 3.7

2

27

380 / 450

20

8

3.7

3

30

380/450

20

8

3.7

3

32

380 / 450

22

8

3.7

3

36

380 / 450

22

8

3.7

4

38

380 / 450

24

8

3.7

4

40

380 / 450

24

8

3.7

4

44

380 / 450

24

8

3.7

5

46

380/450

24

8

3.7

5

51

380 / 450

24

8

3.7

5

56

380 / 450

24

9

3.7

6

63

380 / 450

24

9

3.7

7

66

380 / 450

24

9

3.7

7

76

380 / 450

24

9

3.9

8

83

380 / 450

24

9

3.9

8

89

380 / 450

24

9

3.9

8

96

350 / 400

24

9

3.9

8

102

350 / 400

24

9

3.9

10

108

350,400

 24

9 

 3.9

 10

114

350 / 400

24

9

3.9

11

120

350 / 400

24

9

4.2

11

127

350/400

24

9

4.2

11

132

350 / 400

24

9

4.2

11

152

350 / 400

24

9

4.2

13

160

350 / 400

24

9

4.5

13

167

350 / 400

24

9

4.5

14

180

350 / 400

24

9

4.5

14

200

350 / 400

24

9

4.5

16

250

350 / 400

24

9

5.0

17

300

350 / 400

24

9

5.0

18