18 Years Factory Used Rock Drill Bit - 43 Teeth IADC537 Tungsten Carbide Roller Cone for Trenchless Drilling Piling – YINHAI
18 Years Factory Used Rock Drill Bit - 43 Teeth IADC537 Tungsten Carbide Roller Cone for Trenchless Drilling Piling – 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.
SINGLE CONES IN YINHAI WAREHOUSE- IN STOCK 
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Well-run products, skilled income group, and better after-sales products and services; We have been also a unified massive family, all people stick with the business price "unification, dedication, tolerance" for 18 Years Factory Used Rock Drill Bit - 43 Teeth IADC537 Tungsten Carbide Roller Cone for Trenchless Drilling Piling – YINHAI , The product will supply to all over the world, such as: Plymouth, South Korea, Mozambique, Since our establishment, we keep on improving our products and customer service. We are able to provide you with a wide range of high quality hair products at competitive prices. Also we can produce different hair products according to your samples. We insist on high quality and reasonable price. Except this, we provide best OEM service. We warmly welcome OEM orders and customers all over the world to cooperate with us for mutual development in the future.
High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.









