Hebei, China
Management System Certification:
Main Markets:
North America, Southeast Asia/ Mideast, East Asia(Japan/ South Korea)
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Hole Openers, Reamer Bit, TCI Bit manufacturer / supplier in China, offering Pile Drilling Foundation Rock Cone Cutter for Welding Core Barrel, 12 1 4 Inch TCI Tricone Bit,, 22′ API Rubber Sealed Tricone Bit, Water Well Drilling Bits and so on.

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Supplier Homepage Products Drill Bit Pile Drilling Foundation Rock Cone Cutter for Welding Core Barrel

Pile Drilling Foundation Rock Cone Cutter for Welding Core Barrel

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $500/ Piece
Port: Tianjin, China
Production Capacity: 1000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal
Customized: Customized
Certification: API
Length: 3′′~26′′
Type: Center Drill Bit
Material: Tungsten Carbide
Usage: Well Drilling

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Basic Info

Place of Origin: Hebei, China
Brand Name: Hj
Machine Type: Drilling Tool
Bits Material: Carbide
Processing Type: Forging
Bits Use: Well Drilling
Colo: Blue, Red, Yellow...
Trademark: HJ
Transport Package: Wooden Case
Specification: according requirement
Origin: Hebei
HS Code: 82071990

Product Description

Pile drilling foundation rock cone cutter for welding core barrel 

IADC Specification
First Digit(1~8):

-1,2, and 3 designate STEEL TOOTH BITS with 1 for soft,2 for medium and 3 for hard formations.
-4,5,6,7 and 8 designate TUNGSTEN CARBIDE INSERT BITS for varying formation hardness with

4 being the softest and 8 the hardest.

Second Digit(1~4):


-1,2,3, and 4 are further breakdown of formation with 1 being the softest and 4 the hardest .


Third Digit(1~7):

This digit will classify the bit according to bearing/seal type-see information on different bearing types-and special guage wear protection as follows:

-1. Standard open bearing roller bit.
-2. Standard open bearing roller bit,air-cooled.
-3. Standard open bearing roller bit with gauge protection which is defined as carbide inserts in the heel of the cone.
-4. Sealed roller bearing bit.
-5. Sealed roller bearing bit with gauge protection on heel  of cones.
-6. Journal sealed bearing bit.
-7. Journal sealed bearing bit with gauge protection on heel of cones.
Feature Code:
The following letter codes are used in the fourth digit position to indicate additional features:
A. Air Application
R. Reinforced Welds
C. Center Jet
S. Standard Steel Tooth
D. Deviation Control 
X. Chisel Insert 
E. Extended Jet 
Y. Conical Insert 
G. Extra Gage Protection 
Z. Other Insert Shape 
J. Jet Deflection 

Pile Drilling Foundation Rock Cone Cutter for Welding Core Barrel

Pile Drilling Foundation Rock Cone Cutter for Welding Core Barrel
Pile Drilling Foundation Rock Cone Cutter for Welding Core Barrel

Wood Box

Fumigation Tray if necessary

Other special package can be applied

according to customer's need



Lead Time:

Prepared to deliver within 1 week, if in stock

Depends on order quantity, when out of stock

Transportation:By sea or air

Hejian Hengji Bit Manufacture Co.,LTD  was established in 1990. we have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .

    We ship to more than 60 different countries and serve industries such as Oil & Gas, water well , Construction,Mining,  Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe.


    Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop.  Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim.



 We have been always insist on"Hengji bit,focusing on quality".

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