

Add to Cart
8-1/2in 5 Blades Carbide Drill Bits Mining Drill Bits PDC Cutters
Rock Bit
Double row knives extend aggression and durability.
FEA software for tool distribution and layout makes drilling more
efficient and reduces NPT.
Through a series of empirical calculations and optimization of the
DOC (depth) of the drill bit, the tool enters the
formation more reasonably.
The helical blade effectively improves the stability and ROP of the
drill bit.
PRODUCT SPECIFICATIONS | |
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 | 7 |
Gauge length | 53.05mm |
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 |
OEM | Yes |
Customized Size | Yes |
Package&Delivery
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!
Our Principle
Our goal is provide the best quality products and service to our
customers,we have professional R&D team,domestic advanced
production equipment and precision instruments Reduce the
cost,Speed the drilling,Guarantee the safety is always our aim.
Win-win cooperation is our ultimate pursuit. Contact us feel free
if you are finding drill bit manufacture.
FAQ
1. Is your company a distributor or a manufacturer?
A: We are a professional pdc drill bits manufacturer in China.
2. Can I expect a good-quality product?
Of course. All our activities are accredited to ISO9001, both in
products and services, at the same time, mature production
technology ensuring the quality satisfy international request.
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 of the details of the item or Model number you
want. If there is no packing demand, we will take it as sea-way
packing. Please attach a reference picture or any links from our
website to avoid any misunderstanding. Thanks so much!
4. Whether accpect customized products according to client's
requirement?
Yes, we accept customized products, no matter what size and what
type. Please feel free to contact us.