5 Blades 222mm Polycrystalline Diamond Compact Drill Bits Asymmetric Oil Well

Place of Origin China
Brand Name Hainaisen
Certification ISO 9001
Model Number 8-3/4 HS95220B
Minimum Order Quantity 5 pieces
Price To be negotiable
Packaging Details iron cas
Delivery Time 5-7 business days
Payment Terms T/T, L/C
Supply Ability 20pcs per day

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Product Details
Diameter 8.75 In / 222.25mm Advantage Factory, Good Price
Type Oil PDC Drill Bits Market Around The World
Size 65-245mm Color Request
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5 blades polycrystalline diamond compact drill bits


222mm lpolycrystalline diamond compact drill bits


asymmetric oil well drill bit

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Product Description

8-3/4in 5 Blades Polycrystalline Diamond Compact Drill Bits Oilfield


1. According to the characteristics of different formations, the crown shape is optimized and different composite parts are combined
Optimized functions to meet drilling needs in different soft to medium hard formations.
2. The cutting structure adopts the force balance design, asymmetric blade, deep chip flute design, etc., and the drill rotates at a higher speed.

3. The base material of the drill bit is made of high-quality steel, and the edge surface is surfacing with high-performance wear-resistant materials to prevent the erosion of the base material.
4. Adopt dynamic flow field simulation technology to optimize the hydraulic design of the drill bit, enhance the cleaning and cooling effect of the drill bit, and prevent the drill bit from pilling.


Size 8 3/4 inch (Φ222.25mm)
Model number 8-3/4 HS95220B
Body type steel body
Number of blade 5
Primary PDC cutter size 1913
Number of nozzle 7
Gauge length 63.2mm
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


5 Blades 222mm Polycrystalline Diamond Compact Drill Bits Asymmetric Oil Well 0

5 Blades 222mm Polycrystalline Diamond Compact Drill Bits Asymmetric Oil Well 1

Our bits will be shipped within 4 days after 50% full payment is received by sea or air as you require.
Please feel free to contact us if you have any other requests.


5 Blades 222mm Polycrystalline Diamond Compact Drill Bits Asymmetric Oil Well 2

Our Principle

Our target is to provide our customers with the highest quality bits, tools, and services in the exploration industry. With years of experience, well-trained professionals and a complete mechanical workshop support us. Reducing costs, speeding up drilling, and ensuring safety have always been our mission.



1. Why choose us?
We are drill bit manufacturer, and we have mature production technology ensuring the quality satisfy international request. We have many high quality prducts (the more information).

2. What is the Packaging & Delivery?
We used high quality export carton or standard export woodern case.
Depends on order quantity, 7-30 business days;
Transportation: by sea or by air.


3. What is the time about the delivery?
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.

4. What's your MOQ?
Our MOQ is 1 piece, but if you just want sample test quality we can surely supply to you.


Communication knows no boundaries, no matter where you are. If you have any requests, please feel free to contact us at anytime!