Synthetic diamond core bits are widely used in the drilling for geological exploration, water conservancy and power engineering, hydro-geological exploration and building construction, etc. They can as well be used in fitting-up house, and installing heating or gas pipe for drilling holes in reinforced concrete.

Diamond core bits with different categories, sizes and uses can be provided. In addition, all kinds of orders are warmly accepted according to specific customers' requirements.

   Please check the products that you want ,and send us .We will contact you as soon as possible.

synthetic    Diamond   Core  Bits

Diamond Thin Wall Drilling Bit

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Conventional single & double barrel Wire line core bit Thin wall core bit Engineering 
core bit
Geology-mineral standard Metallurgical standard

Size

Water gap

Size

Water gap

Size

Water gap

Size

Water gap

Size

Water gap

Φ36.5/21.5

4

Φ36.5/21.5

4

Φ46.5/25

6

Φ28 x 3 x 200

4

Φ112/90

15

Φ46.5/29

6

Φ36.5/24.5

4

Φ56.5/35

8

Φ32 x 3 x 250

4

Φ131/106

18

Φ56.5/39

6(8)

Φ47/29

6

Φ59.5/36

8

Φ38 x 3 x 280

4

Φ151/126

20

Φ59.5/41.5

8

Φ47/33.5

6

Φ75/49

10

Φ51 x 3 x 400

5

Φ171/150

22(24)

Φ66.5/49

8

Φ60/41.5

6

Φ76/48

10

Φ57 x 3 x 400

6

Φ200/179

26(30)

Φ75/54.5

10

Φ60/46

6

Φ91/61

10

Φ70x 3 x 400

8

*

*

Φ76/59

10(12)

Φ75/54.5

10

*

*

Φ76 x 3 x 400

8

*

*

Φ91/68

12

Φ75/60

10

*

*

Φ83 x 3 x 400

8

*

*

Φ93/73

12

Φ91/68

12

*

*

Φ89 x 3 x 400

8

*

*

Φ94/72

12

Φ91/75

12

*

*

Φ102 x 3.5 x 400

10

*

*

*

*

*

*

*

*

Φ108 x 3.5 x 400

10

*

*

*

*

*

*

*

*

Φ110 x 3.5 x 400

10

*

*

T-86

10

*

*

*

*

Φ127 x 3.5 x 400

12

*

*

*

*

*

*

*

*

Φ132 x 3.5 x 400

12

*

*

T2-101

12

*

*

*

*

Φ150 x 4 x 400

15

*

*

*

*

*

*

*

*

Φ158 x 4 x 400

15

*

*

Diamond Thin Wall Drilling Bit

Diamond Thin Wall Drilling Bit

Speci- fication Bit dimensions Bit length Gear specification
external diameter internal diameter H L X T
1" 27.5 19.5 77 20 7 4
1.5" 40.0 3.2 77 20 7 4
2" 52.5 43.7 77 20 7 4.4
2.5' 64.2 55.4 77 20 7 4.4
3" 77.2 67.8 77 20 7 4.7
3.5" 89.7 80.3 107 20 7 4.7
4" 110.0 100.0 107 20 7 5
5" 128.5 118.5 107 20 7 5
6" 160.0 150.0 107 20 7 5

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