Forging Steel Body PDC Bit Welding 8.5in Drill Bits For Water Well Drilling

Place of Origin China
Brand Name Hainaisen
Certification ISO 9001
Model Number 8-1/2 HS6622TB
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 8.5in, 215.9mm Color Golden, Request, Etc.
Process Forging,Welding Blade 6
Model Number 8-1/2 HS6622TB Gauge Length 101mm
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forging Steel Body PDC Bit


welding Steel Body PDC Bit


8.5in drill bits for water well drilling

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Product Description

8.5in 6 Blades PDC Core Bit Oil Drill Bit Machine Stone Drilling Bit
Superior PDC tool technology for perfect impact strength and wear resistance.
Double row cutters extend aggression and durability.
FEA software for tool distribution and layout makes drilling more efficient and reduces NPT.
The tool angle is optimized in both axial and radial directions by FBS (Force Balance Analysis) software,
resulting in a more aggressive and durable drill.
The helical blade effectively improves the stability of the drill bit and the ROP.

Size 8 1/2 inch (Φ215.9mm)
Model number 8-1/2 HS6622TB
Body type steel body
Number of blade 6
Primary PDC cutter size 1613
Number of nozzle 6
Gauge length 101mm
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

Forging Steel Body PDC Bit Welding 8.5in Drill Bits For Water Well Drilling 0
Forging Steel Body PDC Bit Welding 8.5in Drill Bits For Water Well Drilling 1
Our bits will be shipped within 5 days after 40% full payment is received. They will be shipped by sea or air according to your requirements. Please feel free to contact us if you have any other requests. Thanks!

Forging Steel Body PDC Bit Welding 8.5in Drill Bits For Water Well Drilling 2

Our Principle
We adhere to the principles of high quality, great after-service and great communication. We also adhere to providing efficient products and excellent service. Please contact us if you are interested. We look forward to hearing from you!


1. Is your company a distributor or a manufacturer?
A: We are a professional Rock Bits manufacturer in China.
2. Is it produced according to the standard? And can I expect a quality product?
All our activities are accredited to ISO9001, both in products and services.
At the same time, mature production technology will ensure the quality to satisfy the international request.
We have strictly inspection in the production.
Our bits are exported to the Middle East, Europe, North America, South America, Australia, and other countries and regions.

3. How to order the products?
Send an inquiry with detailed item descriptions or model number. You can also include a reference picture to avoid any misunderstanding if possible.

4. What is the time about the delivery?
A: The lead time depend on the quantity of the order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement. 

Communication knows no boundaries, no matter where you are.

If you have any requests, please feel free to contact us at anytime!