HDD Roller Cones for Hole Opener Foundation Drilling in Stock

HDD Roller Cones for Hole Opener Foundation Drilling in Stock

We are  factory  specializes in drill bits,this kind of as Basis roller cutters,HDD gap opener, tricone bits, PDC bits for water nicely, oil discipline, fuel effectively,mining,development, geothermal, directional dull, and underground foundation operate all in excess of the world. Our goal is to sell the high quality items at the least expensive possible price.

Solution types:Roller Cone
Product exhibit:API roller cone for main barrel,tricone cutters for hdd gap opener,single roller cone
Solution description:China far eastern roller cones for core barrel and hdd gap opener,Measurements range from three 7/eight to 36,API qualified & In strains of IADC requirements,Elastomer sealed bearing for diverse apps,patent product

Single cone little bit is a sort of deceleration little bit, which is the pace of cone is smaller than the pace of drill, largely disorderly reducing damaged rock. It is suited for outdated nicely sidetracking and deepening the trim gap drilling procedure beneath large rotary pace and drilling stress. 

one. Its software discipline is broad, not only suited for facet drilling, and can be utilized in deep nicely. 

two. Function torque is reduce than PDC bit in the very same drilling pressure and development situation. It can lessen the little measurement gap growth buckling troubles, so that avoid down hole accidents. 

three. Single cone bit has rewards of both 3 cone little bit and PDC bit, and make up the drawbacks of each. It is much more appropriate for big plastic development than three cone little bit, also can be used to tough interlayer which PDC little bit can not deal with other complicated formation. 

four. It can recognize substantial speed and specific drilling with down hole motor.


core barrel are employed for drilling in cohesive and non-cohesive soil under groundwater level. Digga’s drilling buckets are appropriate for breaking and ripping tough soil up to medium tough rock. Digga Drilling Buckets boast a weighty duty design and arrive equipped with a Kelly Box (push hub) to go well with your device. Its style enables for a guide hand-operated, or automated opening mechanism to be equipped (for emptying)- For drill rigs equipped with striker plate.
Weighty obligation development with provision for reamer bars
Will come equipped with Kelly Box (push hub) to match your device
seven digging configurations from single start bladed to rock, as properly as mix tooth solutions
Opening system options consist of guide hand-operated
or fully computerized (suits drill rigs with striker plate fitted)
Base choices incorporate swivel and valve style 
Specialised buckets which includes rock and earth CZPT
Other tooth alternatives CZPT upon ask for


IADC Specification

First Digit(1~8):
 -1,two, and three designate Steel TOOTH BITS with one for comfortable,2 for medium and three for difficult formations.
-4,5,6,7 and eight designate TUNGSTEN CARBIDE INSERT BITS for different development hardness with 4 becoming the softest and eight the most difficult.
Next Digit(one~four):
 -1,two,3, and four are even more breakdown of development with 1 currently being the softest and 4 the hardest .
Third Digit(1~seven):
This digit will classify the bit in accordance to bearing/seal variety-see data on distinct bearing varieties-and special guage use security as follows:
 -one. CZPT open bearing roller bit.
-two. CZPT open up bearing roller bit,air-cooled.
-3. CZPT open up bearing roller little bit with gauge safety which is outlined as carbide inserts in the heel of the cone.
-4. Sealed roller bearing bit.
-5. Sealed roller bearing little bit with gauge security on heel  of cones.
-six. Journal sealed bearing bit.
-7. Journal sealed bearing little bit with gauge safety on heel of cones.
Function Code:
The adhering to letter codes are used in the fourth digit place to indicate further functions:
A. Air Software
R. Bolstered Welds
C. Centre Jet
S. CZPT Steel Tooth
D. Deviation Control 
X. Chisel Insert 
E. Extended Jet 
Y. Conical Insert 
G. Added Gage Protection 
Z. Other Insert Shape 
J. Jet Deflection 


1. How to get an exact quotation?

Response: Remember to send out us in depth info as under:
-Tricone bits(Diameter, IADC code)

-PDC bits(Matrix or Metal entire body, blades amount, cutter dimensions, and so forth)

-Gap opener(Diameter, dimension of pilot hole, hardness of rocks, thread relationship of your drill pipe, and many others.)

-Roller cutters(Diameter of cones, design amount, and so on.)

-Core barrel(Diameter, amount of cutters, link, etc.)

A simple way is sending us pictures .


In addition to above, if achievable please offer much more data as below:

Drilling depth in vertical properly drilling, Drilling length in HDD, hardness of rocks, Capacity of drill rigs, software(oil/gas well drilling, or water properly drilling, or HDD, or basis).


Incoterm: FOB or CIF or CFR, by aircraft or ship, port of vacation spot/discharge.


The a lot more details provided, the much more exact quotation will be offered.


2. What is the high quality management for your merchandise?

Answer: All of our creation are in strains of API rules and CZPT:2015 strictly, from signing deal , to raw materials, to every creation procedures, to product end, to following-sale services, each processes and sections are in accordant with normal.


3. About lead time,payment terms, supply ?

Reply: We usually have regular versions CZPT in inventory, prompt shipping is one particular of our benefits. Mass creation is dependent on quantity of order.

We take all regular payment terms such as L/C, T/T, and many others.

We are in close proximity to from ZheJiang airport and ZheJiang (Xihu (West Lake) Dis.g) seaport, transportation from our factory to ZheJiang or ZheJiang only requires one working day, quick and extremely inexpensive inland fees.


4. What is the heritage of  Much CZPT?

Solution: The drilling bits enterprise was started out at calendar year 2003 only for China domestic requirement, the title Considerably CZPT was commenced from calendar year 2009, now Significantly CZPT has exported to far more than 35 nations around the world and areas. We are one particular of the earliest Alibaba Gold Provider members in rock bit subject , now we are Gold Additionally Member.


5. Do you have Referenced Letters /CZPTmmendation Letters from aged buyers?

Solution: Indeed, we have several referenced letters/recommendation letters issued by aged customers who would like to share our tales. 

HDD Roller Cones for Hole Opener Foundation Drilling in Stock