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.
YINHAI FACTORY OF SELLING DIRECTLY 
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Source factory, API production process, welcome wechat video phone factory inspection, direct brand processing and customization
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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High-quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is constantly observed and pursued by our business 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: Panama, Botswana, Chile, We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.
By Maria from Bandung - 2018.12.10 19:03
In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
By Arabela from Detroit - 2018.08.12 12:27
