Top Quality Drill Collar Pipe - The Manufacturer Supplies 6 1/2 Inch IADC537/637 Welding Tricone Single Roller Cutter – YINHAI
Top Quality Drill Collar Pipe - The Manufacturer Supplies 6 1/2 Inch IADC537/637 Welding Tricone Single Roller Cutter – YINHAI Detail:
Basic Info.
YINHAI FACTORY OF SELLING DIRECTLY 
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 have been also specializing in improving the things administration and QC system to ensure that we could preserve terrific gain within the fiercely-competitive company for Top Quality Drill Collar Pipe - The Manufacturer Supplies 6 1/2 Inch IADC537/637 Welding Tricone Single Roller Cutter – YINHAI , The product will supply to all over the world, such as: Panama, Belarus, Costa rica, Our company always concentrate on the development of the international market. We've got a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.
By Bernice from Oman - 2018.12.11 14:13
Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
By Christine from belarus - 2018.09.23 17:37
