CI Tricone Drill Bit 8 1/2 inch IADC Code 845 G with 4 1/2 regular thread

8 1/2" tricone bit parameter:

Product Description:

Tricone bit IADC code definition:

First Digit(1~8):

-1, 2, and 3 designate STEEL TOOTH BITS with 1 for soft, 2 for medium and 3 for hard formations.
-4, 5, 6, 7 and 8 designate TUNGSTEN CARBIDE INSERT BITS for varying formation hardness with 4 being the softest and 8 the hardest.

Second Digit (1 ~ 4):

-1, 2, 3, and 4 are further breakdown of formation with 1 being the softest and 4 the hardest.

Third Digit (1 ~ 7):

This digit will classify the bit according to bearing/seal type-see information on different bearing types-and special guage wear protection as follows:

-1. Standard open bearing roller bit.
-2. Standard open bearing roller bit,air-cooled.
-3. Standard open bearing roller bit with gauge protection which is defined as carbide inserts in the heel of the cone.
-4. Sealed roller bearing bit.
-5. Sealed roller bearing bit with gauge protection on heel of cones.
-6. Journal sealed bearing bit.
-7. Journal sealed bearing bit with gauge protection on heel of cones.

Feature Code:

The following letter codes are used in the fourth digit position to indicate additional features:

A. Air Application
R. Reinforced Welds
C. Center Jet
S. Standard Steel Tooth
D. Deviation Control
X. Chisel Insert
E. Extended Jet
Y. Conical Insert
G. Extra Gage Protection
Z. Other Insert Shape
J. Jet Deflection

FAQ

1. How to send inquiry?

Answers: It is better send us detailed specifications of products, it is better attaching some photos for better understanding. If you are not experienced on drilling fields, for example, many customers don't know IADC code, please feel free, just tell us the applications like oil/gas/geothermal/HDD/waer/mining, depth of well, average hardness of rocks, then we will advise suggestions and solutions.

You can:

- Send us inquiry from Alibaba.com platform.

- Send email to us directly or talk on Skype or Whatsapp, sales persons are always waiting for service in working days, and all the inquiries can be replied within 10 hours. (Email, Skype, Whatsapp in below.)

2. What is the quality of your rock bits ?

Answers: We have many series of rock bits, quality grades are different, and prices are different. We believe, the proper tools with higher cost-performance is the most important. For example, our top quality rock bits is not cost-effective for water well driling, as the water well drilling machine can not drive the super rock bit to perform their best. But for very deep well drilling, high quality grades rock bits is cost effective even its price is much higher.

So it is better tell us as more as possible the details of projects, then we provide the proper solutions and offer, usually 2 or 3 solutions will be provided for options.

3. Do you have Selling Records or Recommendation Letters issued by customers?
Answers: Yes, we have, please ask from us if you are real buyer. You can ask our old customers from worldwide what they think about our quality and services.

4. Do you support Trade Assurance Service of Alibaba.com?
Answers: Yes, we support ! And some discount could be offered if using Trade Assurance service.

For more information, please contact:

ROSCHEN GROUP LIMITED

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP

WeChat: +86-137 6419 5009 ; +86-135 8585 5390

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390

Email: roschen@roschen.com ; roschen@roschen.net

Website: http://www.roschen.com ; http://www.roschen.net

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 ROSCHEN GROUP

ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.

ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.

ROSCHEN Manufactory PROCESS

ROSCHEN Sales Value Growing Up!

ROSCHEN'S MISSION

1. Strive to create and supply Best quality products for the industry that last longer than the average products.

2. Provide excellent service for our clients.  24 hour-7 days /week schedule to get our clients what they need – FAST.