8 1 2 Inch Single Roller Cutter for Bore Pile Drilling

8 1 2 Inch Single Roller Cutter for Bore Pile Drilling

We are  factory  specializes in drill bits,this kind of as Basis roller cutters,HDD hole opener, tricone bits, PDC bits for h2o well, oil area, gasoline nicely,mining,building, geothermal, directional dull, and underground basis work all above the entire world. Our goal is to promote the high quality goods at the most affordable attainable cost.

Product exhibit:API roller cone for core barrel,tricone cutters for hdd hole opener,single roller cone
Solution description:China far eastern roller cones for main barrel and hdd hole opener,Sizes variety from three 7/8 to 36,API certified & In traces of IADC specs,Elastomer sealed bearing for various purposes,patent merchandise

Solitary cone little bit is a type of deceleration little bit, which is the pace of cone is smaller than the pace of drill, mainly disorderly reducing damaged rock. It is suitable for old effectively sidetracking and deepening the slender gap drilling operation under higher rotary pace and drilling force. 

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

two. Function torque is lower than PDC little bit in the very same drilling strain and formation issue. It can lessen the tiny size hole expansion buckling difficulties, so that keep away from down gap accidents. 

3. Solitary cone little bit has advantages of both a few cone bit and PDC bit, and make up the negatives of each. It is far more ideal for large plastic development than a few cone little bit, also can be used to difficult interlayer which PDC little bit can not deal with other complex formation. 

4. It can comprehend high velocity and special drilling with down hole motor.


core barrel are used for drilling in cohesive and non-cohesive soil beneath groundwater stage. Digga’s drilling buckets are ideal for breaking and ripping difficult soil up to medium tough rock. Digga Drilling Buckets boast a heavy responsibility building and arrive fitted with a Kelly Box (drive hub) to fit your device. Its design makes it possible for for a manual hand-operated, or automatic opening system to be equipped (for emptying)- For drill rigs fitted with striker plate.
Large obligation building with provision for reamer bars
Will come equipped with Kelly Box (travel hub) to go well with your machine
7 digging configurations from single commence bladed to rock, as nicely as combination tooth answers
Opening system options consist of guide hand-operated
or fully computerized (satisfies drill rigs with striker plate fitted)
Base alternatives include swivel and valve style 
Specialised buckets like rock and earth CZPT
Other tooth options CZPT on ask for


IADC Specification

1st Digit(one~8):
 -one,two, and 3 designate Steel TOOTH BITS with one for comfortable,2 for medium and three for challenging formations.
-four,five,six,seven and eight designate TUNGSTEN CARBIDE INSERT BITS for various development hardness with 4 getting the softest and eight the most difficult.
Next Digit(one~four):
 -1,2,three, and four are more breakdown of development with one becoming the softest and 4 the most difficult .
Third Digit(one~7):
This digit will classify the little bit according to bearing/seal kind-see info on diverse bearing sorts-and special guage use safety as follows:
 -one. CZPT open up bearing roller little bit.
-2. CZPT open up bearing roller bit,air-cooled.
-three. CZPT open up bearing roller bit with gauge protection which is described as carbide inserts in the heel of the cone.
-4. Sealed roller bearing bit.
-five. Sealed roller bearing bit with gauge security on heel  of cones.
-six. Journal sealed bearing little bit.
-seven. Journal sealed bearing little bit with gauge protection on heel of cones.
Characteristic Code:
The pursuing letter codes are used in the fourth digit place to indicate extra characteristics:
A. Air Software
R. Bolstered Welds
C. Middle Jet
S. CZPT Metal Tooth
D. Deviation Control 
X. Chisel Insert 
E. Extended Jet 
Y. Conical Insert 
G. Extra Gage Protection 
Z. Other Insert Shape 
J. Jet Deflection 


one. How to get an actual quotation?

Solution: You should deliver us thorough info as below:
-Tricone bits(Diameter, IADC code)

-PDC bits(Matrix or Metal entire body, blades quantity, cutter size, and many others)

-Hole opener(Diameter, dimension of pilot hole, hardness of rocks, thread connection of your drill pipe, and so forth.)

-Roller cutters(Diameter of cones, design variety, and many others.)

-Core barrel(Diameter, quantity of cutters, connection, etc.)

A basic way is sending us photos .


Apart from previously mentioned, if achievable please provide a lot more information as beneath:

Drilling depth in vertical effectively drilling, Drilling duration in HDD, hardness of rocks, Capability of drill rigs, software(oil/fuel nicely drilling, or h2o well drilling, or HDD, or basis).


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


The a lot more data provided, the far more specific quotation will be provided.


2. What is the top quality manage for your items?

Answer: All of our manufacturing are in strains of API principles and CZPT:2015 strictly, from signing deal , to raw resources, to each and every creation procedures, to merchandise complete, to after-sale provider, each and every processes and sections are in accordant with normal.


3. About direct time,payment phrases, delivery ?

Reply: We usually have normal types CZPT in inventory, prompt shipping and delivery is one particular of our positive aspects. Mass manufacturing relies upon on quantity of get.

We take all typical payment conditions like L/C, T/T, and many others.

We are near from ZheJiang airport and ZheJiang (Xihu (West Lake) Dis.g) seaport, transportation from our factory to ZheJiang or ZheJiang only requires one working day, quickly and really cost-effective inland fees.


four. What is the heritage of  Considerably CZPT?

Reply: The drilling bits business was started out at calendar year 2003 only for China domestic prerequisite, the title Far CZPT was started out from year 2009, now Far CZPT has exported to much more than 35 countries and places. We are a single of the earliest Alibaba Gold Provider members in rock bit area , now we are Gold In addition Member.


5. Do you have Referenced Letters /CZPTmmendation Letters from outdated consumers?

Solution: Of course, we have many referenced letters/recommendation letters issued by aged customers who would like to share our stories. 

8 1 2 Inch Single Roller Cutter for Bore Pile Drilling