1. This kind of diamond bit can drill fast;
2. Longer service life;
3. High efficiency;
4. More than 24 years experiences.
2. Longer service life;
3. High efficiency;
4. More than 24 years experiences.
Diamond core drill bits
Name: Surface inlay Natural diamond (set on the surface) core drill bits
Feature: Adopting natural diamond on surface of the body. It is suitable for drilling the hard rock.
Name: Impregnated Natural diamond core drill bits
Feature: The natural diamonds are impregnated in the body. It is applicable for the broken hard rock.
rock.
Name: Man-made diamond core drill bits
Feature: The crown part is made from sintered man-made diamond. It is affordable to drill the hard
Name: Mix-holding Natural diamond (set on the surface and inside) core drill bits
Feature: The natural diamonds are set on the surface and inside of the body. It is specially applied tothe complex rock.
|
Name
|
Size
|
Waterpore Quantity
|
Tread Size (mm)
|
|||||||||
|
I. D.(mm)
|
O. D.(mm)
|
H(mm)
|
Surface inlay
|
Impregnated
|
Mix-holding
|
Major D.
|
Minor D.
|
L
|
||||
|
Double Tube
|
75
|
54.5
|
120
|
8
|
8
|
8
|
68.5
|
67
|
42
|
|||
|
95
|
68
|
120
|
10
|
10
|
10
|
84
|
82.5
|
47
|
||||
|
Single Tube
|
75
|
54.5
|
95
|
8
|
8
|
8
|
68.5
|
67
|
40
|
|||
|
95
|
74
|
120
|
10
|
10
|
10
|
84
|
82.5
|
45
|
||||
|
Rope
|
75
|
49
|
90
|
8
|
8
|
8
|
68.5
|
67
|
42
|
|||
|
95
|
62
|
95
|
10
|
10
|
10
|
84
|
82.5
|
47
|
||||