Find Construction Machinery Parts, Machine Tools Accessories , Machinery Parts on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

Inquiry Basket (0)
Home > Products > Steel Tooth Bits > 6 1/2" 165.1mm rock steel tooth drill bit for oil well drilling rig with high quality

6 1/2" 165.1mm rock steel tooth drill bit for oil well drilling rig with high quality

Basic Info

Model No.: 6 1/2\"(165.1MM) MT bit

Product Description

6 1/2" 165.1mm rock steel tooth Drill Bit for oil well drilling rig with high quality



Product Description



Basical Parameter

Bit Size

6 1/2"(165.1MM)




3 1/2"API reg pin

Nozzle Qty


Make up Torque(KN.m)


Operating Parameter

Rotary Speed(rpm)


Weight on Bit(KN/MM)



Medium formation with high compressive strength ,such as medium soft shale,medium softlimestone,medium soft sandstone,medium formation with harder and abrasive interbeds,etc.






3 1/2

2 3/8 API


4 1/2 to 4 3/4 inch

2 7/8 API


5 1/2 to 6 3/4 inch

3 1/2 API


7 1/2 to 9 1/2 inch

4 1/2 API


9 5/8 to 13 3/4 inch

6 5/8 API


14 5/8 to 26 inch

7 5/8 API


                                                                             →View More


        We are emerged as the best manufacturer and supplier of Steel Tooth Tricone Bits. Offered in many shapes and sizes with multiple features, and cutting structures to combat down hole diversities in the different formation. These bits are designed for very soft to medium hardness formations with advanced technology to manufacture the best quality product for our reputed clients.


Available in various sizes

Made with advanced technology

Best quality product

Other Details:

Steel Tooth (or Mill Tooth) bits come in many shapes and sizes with multiple features, and cutting structures to combat down hole diversities in the different formations you may encounter.

Milled tooth Tricone bits are designed for very soft to medium hardness formations.

We keep a large inventory on hand ranging from 4 1/2” through 26” to meet your demands and can provide larger sizes on request.


Available Sizes: Milled Tooth Rock Roller Bits 4 1/2" to 26"

Click here to view IADC codes for tricone bit.

Click here to view detail parameter for tricone bit.

Contact us representative for additional details about our complete line of new tricone drill bit product offerings.

Product Pictures



  1. Please select the applicable formation and parameters according to the instructions.
  2. Carefully check the bits appearance and to check the bits threaded end face,whether the serial number on the box and certificate.
  3. Selection of WOB and RPM should be within the limits of the recommended parameters, higher WOB and RPM cannot be used simultaneously.
  4. Bottom hole must be clean and bit must not be used for long section reaming.
  5. Drilling process must operate smoothly, find that there is Bie jump on abnormal phenomenon, should be timely analysis and take effective measures
  6. The bit should be kept indoor with dry and well ventilated conditions at 10-33℃ and kept from sunshine and rain. Stored under such conditions, quality of bit is guaranteed for 3 years.
Packaging & Shipping

Company Information

        Hebei Ranking Bit Manufacture Co.,Ltd is mainly engaged in the development of various series of bits,development,production and sales.

        Ranking company has developed and mass-produced products 3 inches to 26 inches series tci tricone bit,steel tooth tricone bit,various types of PDC Bits,cone bit and production and processing assembly 0.6m to 3m large diameter Hole Opener,PDC Hole Opener,TCI Hole Opener,Steel Tooth Hole Opener.Widely used in the oil,natural gas,hydrology,address,ore drilling engineering,product marketing the country and 20 countries and regions in the world.                  Ranking various rock bits,to ensure full compliance with all the terms and standard of American Petroleum Institute API specification,design,manufacturing and production and to ensure full compliance with the API specification requirements and content.


1. How to order the products?

Answer: Send the inquiry with detail item description or with Model number. If there is no packing demand we take it as sea-way packing. If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.

2. About lead time and shipping time?

Answer : The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement. According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.

3.Can I expect a quality products?

Answer : Yes. All our activities are accredited to ISO 9001:2008, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request. 

Contact Us

Product Categories : Steel Tooth Bits

Email to this supplier
  • *Subject:
  • To:

  • *Messages:
    Your message must be between 20-8000 characters