4 Blade PDC Core Drill Bits Tungsten 6 Nozzle Well Drill Head

Place of Origin China
Brand Name Hainaisen
Certification ISO 9001
Model Number 8-1/2 HS94130C
Minimum Order Quantity 5 pieces
Price To be negotiable
Packaging Details iron case
Delivery Time 5-7 business days
Payment Terms T/T, L/C
Supply Ability 20pcs per day

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Product Details
Size 8 1/2 Inch Or 215.9mm Type Core Drill Bit
Material Tungsten Carbide Certification ISO&API
Gauge Length 52.3mm Number Of Nozzle 6
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4 blade PDC core drill bits


Tungsten PDC core drill bits


6 nozzle well drill head

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Product Description

8-1/2in 4 Blades PDC Drill Bit Steel Body Diamond Core Bits


PDC drills are made by inserting and welding round composite chips on a cylindrical tool, and inserting them into the drill body to become a PDC drill. Mainly used for oil and gas field drilling. It can be said to be the nobility of compound diamonds.


Size 8 1/2 inch (Φ215.9mm)
Model number 8-1/2 HS94130C
Body type steel body
Number of blade 4
Primary PDC cutter size 1913
Number of nozzle 6
Gauge length 52.3mm
API connection 4-1/2 REG
Make-Up Torque(KN.m) 16.3~21.7(4.79) KN·m(Mpa)
Application Oil & Nature Gas
Quality High Level
Package Iron Case
MOQ 5 Pieces
Certificate ISO 9001
Customized Size Yes


4 Blade PDC Core Drill Bits Tungsten 6 Nozzle Well Drill Head 0

4 Blade PDC Core Drill Bits Tungsten 6 Nozzle Well Drill Head 1


Our drills will ship within 5 days after 50% full payment is confirmed. Drills will be shipped by sea or air according to your requirements. Please feel free to contact us if you have any other questions. Thanks!


4 Blade PDC Core Drill Bits Tungsten 6 Nozzle Well Drill Head 2


Our Principle

We insist on the principles of high quality, high quality service and innovation. We also insist on providing efficient products and excellent service. If you are interested in our drills, please feel free to contact us. We are looking forward to cooperating with you!



1. Can I expect a good-quality product?
Of course, all our activities in products and services are ISO9001 certified. At the same time, mature production technology ensures the quality meets international requirements.


2. 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 us to get a better understanding.


3. Why you choose us?
We are factory of drill bits, so the price is affordable, and the quality can be controlled. Also, we can do customized products according to client's request.
Our promises: reasonable prices, short production period, and satisfactory after-sales services.


No matter where you are, communication is no boundaries. So if you have any questions, please contact us at any time :)