1.PDC bits can drill fast
2.Longer service life
3.Over 24 years professional experiences
4.Best price & quality
2.Longer service life
3.Over 24 years professional experiences
4.Best price & quality
PDC mining drill bits --- Rib core drill bits
Features:
1. Two stair rib core drill bits.Arrange teeth in stages when the
crown part space is enough.
2. Increase area between blade and lamellar body, reduce
pressure on blade unit area, prolong service life of the blades,
improve gauge protection effect and protect core barrel.
3. The water gap is deepened, and it is suitable for drilling of
large will depth and high pumppressure.
4. It is a core drill bit drilling construction team prefers.
Main Technical Parameter of Drill Bits:
Name
|
Size
|
Blade No.
|
Waterpore No.
|
Tread Size (mm)
|
||||||||
I. D.(mm)
|
O. D.(mm)
|
H(mm)
|
Major D.
|
Minor D.
|
L.
|
|||||||
Double Tube
|
75
|
54.5
|
120
|
6
|
6
|
68.5
|
67
|
42
|
||||
95
|
68
|
120
|
8
|
8
|
84
|
82.5
|
47
|
|||||
|
75
|
54.5
|
95
|
6
|
6
|
68.5
|
67
|
40
|
||||
95
|
74
|
120
|
8
|
8
|
84
|
82.5
|
45
|
|||||
113
|
89
|
130
|
10
|
10
|
103
|
101.5
|
45
|
|||||
Rope
|
75
|
49
|
90
|
6
|
6
|
68.5
|
67
|
42
|
||||
95
|
62
|
95
|
8
|
8
|
84
|
82.5
|
47
|