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  • 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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