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Highlighted Companies

Tricone Bit For Well Drilling - China

price: contact company for price

FJ series metal sealed bearing tricone bit

Cutting structure

The wear- resistance of teeth is enhanced with premium

tungsten carbide hardfacing on the tooth surfaces for steel

tooth bit. The durability of premium tungsten carbide

inserts is improved with new formulas and new techniques for

insert bit.

Gauge structure

Multiple gauge protection with gauge trimmers on the heel

and gauge inserts on the gauge surface of the cone, tungsten

carbide inserts and hardfacing on the shirttail increase

gauge holding capacity and bearing life.

Bearing structure

High precision journal with two thrust faces, balls lock the

cone. Hardfaced head bearing surface. Cone bearing inlaid

with friction- reducing alloy and then silver- plated.

Abrasion resistance and seizure of the bearing are improved,

and suitable of high rotary speed.

Seal and lubrication

The advanced metal seal package consists of two metal seals

and elastic energizers. Compressed energizers ensure good

contact being kept on two sealing surfaces of metal rings by

elastic force, and achieves the bearing seal. In the

drilling, metal seals are relatively dynamic, and the

energizers are static. This will improve the reliability and

durability of bearing seal. The pressure compensator system

and advanced grease can greatly increase the lubricating


Product application

It is suitable for downhole motor and high speed


Current availability

Company Contact:

  • Phone: 18782964749

  • Address: Junziguan Development Zone, He, Cangzhou, China

  • Email: Email

Published date: April 21, 2014 -

  • Business Description: Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd specializes in

    the designing, manufacturing marketing and servings the high

    performance diamond bits, tricone bits and drilling tools which used in

    petroleum industry. Feilong Retop takes" the fastest penetration and the

    best performance" as bit designing guideline to manufacture high

    performance bits with advanced equipment and technologies under the

    strict quality check and assurance procedures according to bit designing

    computer program and CAD with which combines the knowledge of rock

    mechanics, site experiences, fluids dynamics, etc.

    Our bits named FL, which size ranging from 2 7/8〞to 17 1/2〞.All the products are made in accordance with the API spec7 1, meanwhile our quality ensure system award the ISO9001 certificate. Furthermore, the experienced and knowledgeable service team will ensure the superior performance of our products in both the domestic and international markets.

    Company established a series of policies for personnel resource. Thus company collected a group of senior engineering experts and specialists who have the spirit of hard working, activeness, national dignity and confidence. Experts and specialists have made the products keeping ahead in domestic, and catching up with the international leading products. Many worldwide records have been created or updated by our products.

    quality first, consumers foremost is our service pursuit. By adopting advanced design technology, manufacturing process and strict quality control, we assure the products the best quality, and then our company will always improve and innovate to satisfy the different needs for all of the users in the entire world.

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