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  • Eccentric Casing System With 3 Pieces - China

    price: contact company for price

    A brief introduction of Eccentric Casing system:

    1. When drilling starts, the reamer swings out and reams the

    pilot- hole wide enough

    for the casing tube to slide down behind the drill bit


    2. When the required depth is reached, rotation is reversed

    carefully. where upon the reamer

    swings in, allowing the drill bit assembly to be pulled up

    3. Casing Tubes are to be left in the drill hole should be

    sealed at the bottom of the hole by means of cement grout or

    some other sealing agent.

    4. Drilling continues to the desired depth in the bedrock

    using a conventional drilling.

    Model Number: Eccentric casing system with 3 pieces

    Material: Alloy steel+ Carbide

    Processing Type: Forging

    Machine type: Drilling Equipment


    1. Efficient energy transfer.

    2. Longer service life.

    3. Faster drilling speed.

    4. Optimization design for each part reduces the probability

    of accident.

    About Us:

    1. Our factory has been specialized in manufacturing &

    exporting drilling tools and spare parts over 10 years.

    2. We have advanced technology and equipment.

    3. Our technician has more than 10 year' s professional

    working experience.

    4. Our products are exported throughout the world. Main

    market: Russia, USA, South Africa, Canada, Australia, Brazil,

    Uruguay, etc.

    Questions you may be interested in:

    1. Payment: T/ T, Western Union, Paypal

    2. Delivery time: Based on your order qty, generally it

    takes 15- 20 days for

    production. only need 2 or 3 days if it’s available in our


    3. Shipment:

    Trail order: we suggest by DHL, express

    Bulk order: we suggest by sea.

    4. Quaulity control: We have our experienced QC Dep.

    They will perform stick inspection and tesing for every

    order before shipping out.

    5. About aftersale services

    Our sales team and technical Dep. Will be available at any

    time. ( Holidy excluded)

    Company Contact:

    • Phone: 8673188031001

    • Address: Xin Yao North Road,Tian Xin District,Chang Sha Cit, Chang Sha, China

    • Email: Email

    Published date: April 27, 2015 -

    • Business Description: Great Wall Diamond Drill (Hong Kong) Co., LTD is a famous modern high

      tech enterprise, which specializing in manufacturing and exporting rock

      drill equipment and pneumatic tool. The company was founded in 2005, and

      located in the center of China industrial ChangSha. Our company has

      the full sets of producing rock drilling machine and pneumatic tool , by

      using high quality raw material, utilizing advanced craft technology and

      imposing strict quality inspection,independently research and develop

      the most advanced high air pressure DTH hammer in China, various kinds

      of DTH bits, accentric overburden drilling equipment,various kinds of

      threaded drilling bits, reverse circulation hammers and bits , shank

      adapters and coupling sleeves, drill tube, and accessories of rock

      drilling and other products. The products are being well sold in China

      and exported to United States, Australia, Canada, Brazil,South Africa,

      South Korea and other countries.

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