Products

Double Casing Rotary Bits

China Double Casing Rotary Bits, Find details about China Double Casing Rotary Bit, Double Casing Drilling Bit from Double Casing Rotary Bits

HS Code
82071300
HS Code
82071300
About us:

We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.



Product specifications: 


Application Range(DTH hammer type drilling inside the case) It can be widely used in drilling for grouting holes in projests such as cofferdam, foundation and geothermal well and etc.

Features: 
1.Hardening treatment of the parts surface with longer operating life 
and excellent anti-wear properties 
2.Structure optimization Strengthen the structural 
3.Superior performance Smooth with high efficiency

Technical Data

A

B

C

D

E

F

G

outer dia

reamed dia

inner dia

thread

drill rod

drill bit dia

thread

(mm)

(mm)

(mm)

mm

mm

mm


 

118

125

88

104.5

76

83

R56

133

140

108

122

76

102

R56

146

152

120

134

89

116

R78

168

172

133

146.5

114

128

R83

216

225

178

203

114

165

R102

 


 
We can also provide related products DTH hammers, ODEX system, symmetrix systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc


Product photos

Double Casing Rotary Bits




Quality warranty:

Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.


Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.



Production time:

Generally need 15-25 days


Transportation:
By air, By Express or By sea according to your requests.
 
 

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