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Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling

Beijing Jincheng Mining Technology Co., Ltd.
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    Buy cheap Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling from wholesalers
     
    Buy cheap Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling from wholesalers
    • Buy cheap Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling from wholesalers
    • Buy cheap Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling from wholesalers
    • Buy cheap Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling from wholesalers
    • Buy cheap Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling from wholesalers

    Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling

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    Brand Name : Jincheng Drilling Tools
    Model Number : Concentric Overburden Bits
    Certification : ISO9001,CE
    Price : Negotiable
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 1000000pcs/year
    Delivery Time : 3-15days
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    Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling

    Hard Rock DTH Drilling Tools Concentric Overburden Casing Bit Hole Drlling


    Description
    The eccentric reamer drill is an overburden drilling system designed for conditions where a cased hole is required. Collapsing holes tend to make overburden drilling expensive, with lost drilling equipment and down time.
    The eccentric designed bit rotates outward and drills a larger diameter hole than the casing, avoiding cave-ins, wash-outs, and other problems common in normal drilling operations in soft and gravel-type strata or loose rock. Since 90% of the world's overburden drilling is in loose strata, potential utilization is enormous.
    After reaching the designated depth, the reamer-bit is retracted by reversing the direction of the rotation and by applying tension on the reamer-bit, which has a taper and will retract into the casing for easy removal of the entire drill-string. This leaves the casing in place for other applications or for removal at a later date. The method is designed for use with flush joint threaded pipe or welded-type casing and provides a bit size for a wide variety of different casing wall thicknesses.


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    Minimum Order Quantity:N/A
    Price:
    Packaging Details:Standard Export Delivery Package
    Delivery Time:7days
    Payment Terms:T/T
    Supply Ability:Based on Detailed Order

    FAQ
    1. Shipping time for an order
    We have many stock. As usual, we can delivery the goods as soon as we get the full payment.
    2. Quality Control
    Strict inspection and testing for every order before shipping out .
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