Golden 5 Blade Polycrystalline Diamond Bit 75mm Oil Well Drill Head

Place of Origin China
Brand Name Hainaisen
Certification ISO 9001
Model Number 8-1/2 HS65330C
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 (215.9mm) Type Core Drill Bit,Twist Drill Bit,BI-CENTER MILL,75mm 94mm Pdc Core Bit For Coal Mining
Color Golden Name Drilling Bits Prices,Diamond Head Sintered PDC Drill Bit For Very Hard Rock,PDC Drill Bits
Blade 5 Primary PDC Cutter Size 1613
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Hainaisen golden polycrystalline diamond bits


golden polycrystalline diamond bits


Hainaisen golden polycrystalline diamond bit

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Product Description

8-1/2in 5 Blades PDC Drill Bit Gauge Length Diamond Core Bits


PDC drill bit is round composite chips that are inserted and welded on a cylindrical tool, which is inserted into the drill body to become a PDC bit. It is mainly used for oil and gas field drilling. It can be said that it is a noble in compound diamonds.


Size 8 1/2 inch (Φ215.9mm)
Model number 8-1/2 HS65330C
Body type steel body
Number of blade 5
Primary PDC cutter size 1613
Number of nozzle 6
Gauge length 53.5mm
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


Golden 5 Blade Polycrystalline Diamond Bit 75mm Oil Well Drill Head 0

Golden 5 Blade Polycrystalline Diamond Bit 75mm Oil 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!


Golden 5 Blade Polycrystalline Diamond Bit 75mm Oil 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 look forward to working with you!



1. Whether accept customized according to clients' requirements?

Yes, We accept customized products, no matter what size and what type. Please feel free to contact us.


2. About lead time and shipping time?

The lead time depends on the quantity of the order. Usually, it will take 3-5 days to ship to Tianjin Port or XI'AN Airport, China. For the small order or urgent order, we can send you by air once the order is confirmed.


3. How do you guarantee your quality?

We select the advanced production technology and equipment, strictly control the whole production process, and inspect the finished drill bits. We can also make several design changes according to the customer's feedback, and finally ensure the customer's excellent drilling effect.



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