Oil Steel Body PDC Bit 7 Nozzle 5 Blades Dth Hammer Button

Place of Origin China
Brand Name Hainaisen
Certification ISO9001
Model Number 8-1/2 HS65220B
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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Whatsapp:0086 18588475571

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Product Details
Size 8 1/2 In Or 215.9mm Use Well Drilling,Coal Mining
Color Request Name PDC Drill Bits
Number Of Nozzle 7
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oil Steel Body PDC Bit


7 nozzle Steel Body PDC Bit


5 blades dth hammer button bits

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Product Description

8-1/2in 5 Blade Oil Drill Bit Drilling Machine Diamond Rock Bits
1. The force of the cutting structure is balanced, and the asymmetrical design of the drill blade makes the force of the drill bit balanced and the stability of the drill bit better.
2. The main cutter adopts high-performance PDC cutter, which can ensure the service life of the drill bit and improve the ROP.
3. Optimize tool exposure to ensure that oil drills can achieve higher ROP, from soft to moderate formations.
4. The shock absorber is designed to allow the drill bit to drill through formations with stiff stringers.
5. Using dynamic flow pattern simulation technology to optimize the hydraulic system of the drill bit, enhance the cleaning and cooling effect of the drill bit, and effectively prevent the bit from pilling.


Size 8 1/2 inch (Φ215.9mm)
Model number 8-1/2 HS65220B
Body type steel body
Number of blade 5
Primary PDC cutter size 1613
Number of nozzle 7
Gauge length 56.2mm
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

Oil Steel Body PDC Bit 7 Nozzle 5 Blades Dth Hammer Button 0
Oil Steel Body PDC Bit 7 Nozzle 5 Blades Dth Hammer Button 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!


Oil Steel Body PDC Bit 7 Nozzle 5 Blades Dth Hammer Button 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 inquiries with detailed item descriptions or model numbers. If possible, please include a reference image to avoid any misunderstanding or any link to our website so that we can better understand.
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.

4. What services can we provide?
Accepted Delivery Terms: FOB, CIF, EXW, Express Delivery;
Accepted Payment Type: T/T, L/C, PayPal.


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