Gold Member Since 2014
Audited Supplier
Hejian Hengji Bit Manufacture Co., Ltd.

Hole Openers, Reamer Bit, TCI Bit manufacturer / supplier in China, offering Pile Drilling Foundation Rock Cone Cutter for Welding Core Barrel, API 9 7/8" IADC 637TCI Tricone Drilling Bit Factory, 13 5/8 TCI Tricone Bit, Oifield Drilling Rotary Bit, Rock Bit Hard Formation and so on.

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

Pile Drilling Foundation Rock Cone Cutter for Welding Core Barrel

FOB Price: US $500 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $500/ Piece
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Port: Tianjin, China
Production Capacity: 1000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Customized: Customized
  • Length: 3′′~26′′
  • Material: Tungsten Carbide
  • Place of Origin: Hebei, China
  • Machine Type: Drilling Tool
  • Processing Type: Forging
  • Colo: Blue, Red, Yellow...
  • Transport Package: Wooden Case
  • Origin: Hebei
  • Certification: API
  • Type: Center Drill Bit
  • Usage: Well Drilling
  • Brand Name: Hj
  • Bits Material: Carbide
  • Bits Use: Well Drilling
  • Trademark: HJ
  • Specification: according requirement
  • 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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