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Diamond Core Drills:
 
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Diamond Core Drills for engineering is mainly used in fast drilling and sampling, such as, reinforced concrete, concrete and various stone materials. 

1. Drill Bits (Silver Brazed) for Concrete and Reinforced Concrete
    Connector Typ
1-1/4" UNC Threaded


Item
Outer Dia.
Segment Dimensions
Core Dimensions
(MM)
Height
Thickness
Seg. No.
Length
Thickness
(MM)
(MM)
(PCS)
(MM)
(MM)
1
25.4
10.0
3.6
2
305
2.0
2
28.0
10.0
3.6
3
305
2.0

3

30.0

10.0

3.6

3

305

2.0

4

32.0

10.0

3.6

3

305

2.0

5

35.0

10.0

3.6

4

305

2.0

6

38.0

10.0

3.6

4

305

2.0

7

40.0

10.0

3.6

4

305

2.0

8

45.0

10.0

3.6

5

305

2.0

9

51.0

10.0

3.6

5

305

2.0

10

56.0

10.0

3.6

6

305

2.0

11

63.0

10.0

3.6

6

305

2.2

12

76.0

10.0

3.8

7

305

2.2

13

89.0

10.0

3.8

8

305

2.2

14

102.0

10.0

3.8

9

305

2.2

15

115.0

10.0

3.8

11

305

2.2

16

127.0

10.0

3.8

12

305

2.2

17

140.0

10.0

4.1

13

305

2.5

18

152.0

10.0

4.1

14

305

2.5


    2. Drill Bits for Granite, Marble and other stones

Connector Type: 3/8" shaft without threads, 1/2" shaft without threads, 5/8"-11

Segment Type: Crown (ring) Segment, Turbo Segment


Item
Outer Dia.
Min.
Seg. Dimensions
Core Dimensions
Power
Height
Thickness
Seg. No.
Length
Thickness
(MM)
(W)
(MM)
(MM)
(PCS)
(MM)
(MM)

1

6.5

420

8.0

2.0

Crown

83

1.2

2

8.0

420

8.0

2.0

Crown

83

1.2

3

10.0

420

8.0

2.0

Crown

83

1.2

4

12.0

420

8.0

2.0

Crown

83

1.2

5

14.0

420

8.0

2.0

Crown

83

1.2

6

16.0

420

8.0

2.0

Crown

83

1.2

7

18.0

420

8.0

2.0

Crown

83

1.2

8

20.0

420

8.0

2.0

Crown

83

1.2

9

22.0

420

8.0

2.0

Crown

83

1.2

10

25.0

420

8.0

2.0

Crown

83

1.2

11

28.0

420

8.0

2.4

3

83

1.2

12

30.0

420

8.0

2.4

4

83

1.2

13

32.0

420

8.0

2.4

4

83

1.2

14

35.0

420

8.0

2.4

4

83

1.2

15

38.0

420

8.0

2.4

5

83

1.2

16

40.0

420

8.0

2.4

5

83

1.2

17

42.0

420

8.0

2.4

5

83

1.2

18

45.0

420

8.0

2.4

6

83

1.2

19

48.0

740

8.0

2.4

6

83

1.2

20

51.0

740

8.0

2.4

6

83

1.2

21

55.0

740

8.0

2.7

6

83

1.5

22

60.0

740

8.0

2.7

7

83

1.5

23

65.0

740

8.0

2.7

7

83

1.5

24

70.0

740

8.0

2.7

8

83

1.5


Other special size could be made upon request.


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