· March Expo 2021 selection
$200.00 - $10,000.00
Min. Order : 1 Piece

8 1/2" 215.9mm IADC 637 with good teeth second hand water well drill bit

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Quick Details

Port: Tianjin / Beijing
Payment Terms: T/T
Supply Ability: 30000 Piece/Pieces per Year second hand water well drill bit
Teeth type: insert button or milled tooth,saw tooth
API pin: 2 3/8"~7 5/8"
Processing Type: Forging
Place of Origin: Hebei China
Machine Type: Drilling Tool
Size: from 3 1/2'' to 26''
Use: Well Drilling
Color: yellow, blue, white,etc
Material: Carbide
Model Number: 637
Certification: API
Name: second hand water well drill bit
Brand Name: Deris
Extral feature: gauge protection
Type: second hand water well drill bit,Center Drill Bit
Bearing type: rubber sealed journal bearing
IADC: 117-837
Formation: soft to hard formation
Delivery Detail: within 7days after receive payment
Packaging Detail: wooden case or carton for second hand water well drill bit
Hejian Deris Petroleum Drilling Equipment Co., Ltd.
Gold Supplier
Manufacturer, Trading Company
Response Time
On-time delivery rate
US$ 10,000+
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8 1/2" 215.9mm IADC 637 with good teeth second hand water well drill bit  



1.Advantages of our  second hand water well drill bit  


1) High-strength,high flexibility,high temperature,high wear resistance.

2) High-precision metal seal.

3) locking roller ball,to adapt to high-speed.

4) The use of high strength hig toughness carbide teeth.

5) Hours in the rotary cone bit with the impact,crushing and shearing the role of broken rock.

6) cone bit to adapt to the soft,medium and hard of various strata.

7) Reasonable price and long working life.




2. The products parameter and aplication of  second hand water well drill bit  


IADC code





Applicable Formations




Very soft formations with low compressive strength and high drillability,

such as clay,mudstone,chalk,gypsum,salt,soft limestone, etc.




Soft formations with low compressive strength and high drillability,

such as mudstone,gypsum,salt,soft limestone, etc.




Soft to medium formations with low compressive strength, such as 

medium, soft shale, medium soft limestone, medium soft sandstone, 

medium formation with harder and abrasive interbeds, etc.




Medium hard formation with high compress strength, such as hard 

shale, limestone, sandstone, dolomite. etc




Hard formations with high compressive strength, such as sandstone, 

limestone, dolomite ,hard gypsum, marble, etc.

Note: The upper limits of WOB and RPM in above table should not be used simultaneously.




3.The feature of  rubber seal second hand water well drill bit  


Cutting Structure

    The durability of premium tungsten carbide insert is improved with new formulas and new techniques for insert bit.The Tricone bit field is composed of a shallow sequence of sediments of fluvial origin, in which sandstone channels contain heavy oil with gravity ranging from 11 to 13°

Gauge Structure

    Multiple gauge protection with gauge trimmers on the heel of cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life. 

Sealed Bearing Structure

    1.Abrasion resistance and seizure resistance of the bearing are improved.
    2.Premium O-ring, Optimal seal compression and curved seal structure can enhance the seal performance. 

Main Type Available

 Size: 5 7/8",6",6 1/2",7 1/2",7 7/8",8 1/2",9 1/2",9 5/8",9 7/8",12 1/4",14 3/4",17 1/2", etc.
 IADC Code:4-- Series, 5-- Series, 6-- Series,etc.




Introduce our company


We are Hejian Deris Petroleum Drilling Equipment Co., Ltd Drilling Supplies Marketing Dept. specializes in drill bits, drill pipe, Mud pump and stablizers for water well, oil field, construction, geothermal, directional boring, and underground foundation work all over the world. Our purpose is to sell the best quality products at the lowest possible price.


The principle of our company is based on the quality of survival. With advanced technology and scientific management, our company develops with reputations for providing quality products and best service.




Welcome to our factory to refer to the inspection cooperation egotiations,and work together 

to create a brilliant future.

I'm sure you'll be pleased with our products with competitive price and high quality.

Looking forward to your inquiry as soon as possible



4. Our second hand water well drill bit package and transportation



5. How to complete the whole deal about  second hand water well drill bit  




1. Firstly decide the design, material and color 


2. Decide the size in accordance with client's requirement and our recommendation


3. Provide you the best offer 


4. Client's accept the offer and we send proforma invoice. 


5. Client transfers 30%-50% deposit and production begins


6. After production, we will send ready products photo  


7. After client's confirmation, we will arrange shipment, and send copy shipping documents like B/L, 


    commercial invoice and packing list


8. Client transfer balance payment and we will send original documents by express or Telex Release 


 6. Our second hand water well drill bit ,pdc bit and hole openre pictures



Hole opener