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Electric Drill (4442)

MC475 Core drilling bits

FOB Price: US $1,000 - 10,000 / Piece Get Latest Price
Min.Order Quantity: 1 Piece/Pieces
Supply Ability: 100 Piece/Pieces per Month
Payment Terms: T/T,Western Union
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Quick Details

Place of Origin:
Hebei China (Mainland)
Brand Name:
HJ bit
Model Number:
core drilling bits,all IADC code
Center Drill Bit
High Carbon Steel,Tungsten Carbide
Well Drilling
2 7/8"~26"
machine type:
bearing type:
sealed journal bearing
main market:
USA,Middle East,South Africa
core drilling bits

Packaging & Delivery

Packaging Detail: wooden box
Delivery Detail: Within 3 month


core drilling bits
1.best quality for 6"~17 1/2".
3.high quality, best price

pdc drilling bits


  Hejian Hengji Bit Manufacture Co.,Ltd

                           Product specification

Product name

core drilling bits



Number of blade


Cutter size (mm)


Nozzle QTY Type


Gauge length


Junk slot area(in^2)



4-1/2”API Reg

                           Operating parameters

Rotary speed(rpm)


Weight on bit(KN)


Max wob(KN)


Flow rate (lps)


                          Applications and features


Hard and compact formation with very high compressive strength .Formation grade covers 4 through 7. Motot or RSS application.


Six surved-bladed bit with medium parabolic profile and rear angle to drill from soft to medium hard formation.






FAQ(Frequently Asked Questions)


1. How to order the products?
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding. 
2. About lead time and shipping time?
Answer :
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.

3.Can I expect a quality products?
 Answer :
Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.


Not exactly what you want? 1 request,multiple quotations Get Quotations Now >>
Our company is located in Hejian and is specialized in manufacturing tricone bit, steel tooth bit and PDC bit. With an experienced and professional team, we have exported our products to many countries and regions all over the world, especially the Middle East, Africa, Asia, etc. Our products enjoy a good reputation among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits. View detail

Basic Information

Product/Service (We Sell): Tricone Bit,Steel Tooth Bit,PDC Bit  
Number of Employees: 11 - 50 People  

Trade & Market

Main Markets: Eastern Asia
Northern Europe
Central America
Domestic Market
Western Europe
Southern Europe
South Asia
South America
Eastern Europe
North America
Mid East
Southeast Asia
Total Annual Sales Volume: US$1 Million - US$2.5 Million  
Export Percentage: 91% - 100%  

Factory Information

Factory Size (Sq.meters): 3,000-5,000 square meters  
Factory Location: Shijingcun Development Zones, Hejian, Hebei. China  
Number of Production Lines: Above 10  
Number of R&D Staff: Less than 5 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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China (Mainland) | Manufacturer | Contact Details
Experience: Established 2012 , 12 years OEM

Communicate with Supplier:

Ms. Hengji Bits
Ms. Hengji Bits:
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1 request,multiple quotations Get Quotations Now >>