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Home - Products - Concrete Diamond Core Drill Bits - 200mm roof segment concrete diamond core drill bit


200mm roof segment concrete diamond core drill bit

Buy Cheap Concrete Diamond Core Drill Bit from Chinese Factory


This roof segment diamond core drill bits are designed for drilling concrete, asphalt and reinforced concrete, we can also adjust the segment formula to drill granite, marble and other stones. We are your best choice in China!


These roof segment diamond core bit are engineered for exceptional footage and fast/aggressive drilling characteristics. The roof segments make it much easier to drill into the concrete and stones in the begining, and our special welding method peotetc the segments from dropping during drilling. We adopt the industrial grade diamond powder and Cobalt powder to produce our diamond core bits, so our diamond core bits have a stable drilling performance and superior lifespan. High diamond concentration yields excellent life and drilling efficiency through heavily reinforced concrete, marble, granite, refractory brick and other hard materials. These roof segment diamond core bits are the most widely used diamond core bits, which can be used fordrilling concrete and stone. And we use the grade A quality steel tube to ensure the drill bits run precisely.


Wet using is recommend for this diamond core drill bits, feed enough water will extend its lifespan and provide a faster drilling speed.

(Swipe left to see more)

Diameter(mm)

Segment Size(LxTxH)mm

Teeth Number

32   (1-1/4)

16

3.5

10

4

35   (1-3/8)

16

3.5

10

4

38   (1-1/2)

16

3.5

10

5

42   (1-5/8)

16

3.5

10

5

45   (1-3/4)

16

3.5

10

6

48   (1-7/8)

16

3.5

10

6

51   (2)

24

3.5

10

5

57   (2-1/4)

24

3.5

10

5

63   (2-1/2)

24

3.5

10

6

70   (2-3/4)

24

4

10

7

76   (3)

24

4

10

7

82   (3-1/4)

24

4

10

8

89   (3-1/2)

24

4

10

9

102  (4)

24

4

10

9

108  (4-1/4)

24

4

10

10

114  (4-1/2)

24

4

10

10

120  (4-3/4)

24

4

10

11

127  (5)

24

4

10

11

140  (5-1/2)

24

4

10

12

146  (5-3/4)

24

4

10

13

152  (6)

24

4.5

10

13

159  (6-1/4)

24

4.5

10

14

165  (6-1/2)

24

4.5

10

15

178  (7)

24

4.5

10

16

203  (8)

24

4.5

10

18

229  (9)

24

4.5

10

20

254  (10)

24

4.5

10

23

280  (11)

24

5

10

25

305  (12)

24

5

10

27

330  (13)

24

5

10

30

356  (14)

24

5

10

32

* Other size are also available as your request

Thanks for your inquiry, we will contact you within 24 hours.

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