High definition Single Roller Cone Bits - 8 1/2 Inch 216mm IADC537 Rotary Pilling Single Cutters Section of Drilling Bit – YINHAI
High definition Single Roller Cone Bits - 8 1/2 Inch 216mm IADC537 Rotary Pilling Single Cutters Section of Drilling Bit – YINHAI Detail:
Basic Info.
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Advantages of YINHAI Single Roller Cones:
Cutting Structure
Reinforcing the comprehensive mechanical properties of cutting tooth by using high quality tungsten carbide inserts of new form
ula and new techniques of insert bit.
Gauge Structure
The multiple heel position with gauge trimmer on the heel, tungsten carbide and hardfacing on the shirttail, strengthened spear point will enhance the gauge protection.

Bearing Structure
High precision journal bearing with two thrust faces. Ball locked cone. Hardfaced head bearing surface. Cone bearing inlaid with friction reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved, and suitable for high rotary speed.

Seal and Lubrication
The advanced metal seal package is composed by two metal seals and two elastic rubber energineers. The energizer and back-up ring will support the pushing force to make the two metal faces tightly contact. In the drilling, the metal seals are relevant moving, and the energizers are static. This will increase the bearing seal reliability and durability. The compensation system and the high quality bit grease can limit pressure differential, and greatly increase the lubricating reliability.
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We've been convinced that with joint efforts, the enterprise between us will bring us mutual benefits. We are able to assure you product or service quality and aggressive cost for High definition Single Roller Cone Bits - 8 1/2 Inch 216mm IADC537 Rotary Pilling Single Cutters Section of Drilling Bit – YINHAI , The product will supply to all over the world, such as: Latvia, Hamburg, panama, You can let us know your idea to develop unique design for your own model to prevent too much similar parts in the market! We will provide our best service to satisfy all your needs! You should contact us right away!
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!








