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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We will make just about every exertion for being excellent and perfect, and speed up our actions for standing during the rank of worldwide top-grade and high-tech enterprises 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: Vietnam, America, Sri Lanka, We always hold on the company's principle "honest, professional, effective and innovation", and missions of: let all drivers enjoy their driving at night, let our employees can realize their value of life, and to be stronger and service more people. We are determined to become the integrator of our product market and one-stop service provider of our product market.
By Rebecca from St. Petersburg - 2018.06.19 10:42
Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
By Iris from Belgium - 2018.12.05 13:53
