Diamond core drill bits for stone are widely used for drilling granite, marble and other type of stones. We offer a variety of diamond core drill bits for your needs. Diamond core bits include laser welded core bits, electroplated core bits, vacuum brazed core bits, silver welded core bits, and etc. There are wet type and dry type of core drill bits.

Features:

Different diameter can be customized

M14, 5/8”-11, and straight thread

Aggressive drilling and long life

Application of Diamond Core Drill Bits for Stone:

Used for drilling tile, glass, granite slab, marble slab on hand held drill and drilling machine

Specification:

Outer Diameter

Core-Bit’s Length (mm)

Dimension of Tooth (mm)

mm

Length

Height

Thickness

5

100/80

 

8/10

5

6

100/80

 

8/10

6

7

100/80

 

8/10

7

8

100/80

 

8/10

8

10

100/80

 

8/10

10

12

100/80

 

8/10

12

15

100/80

 

8/10

15

25

80/130

18.5

8

2.5

28

80/130

18.5

8

2.5

30

80/130

17

8

2.5

32

80/130

17

8

2.5

35

80/130

21

8

2.5

40

80/130

19

8

2.5

45

80/130

18

8

2.5

50

80/130

20

8

2.5

55

80/130

21

8

3

60

80/130

21

8

3

70

80/130

23.8

8

3

80

80/130

23

8

3

85

80/130

23

8

3