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  • Symmetric Overburden Casing System Drilling Tools - China

    price: 645.00 Dollar US$

    Symmetric overburden casing system Drilling Tools with Casing Tube Retrievable Symmetric Drilling tools with csing tube step-by-step:
    1. When the drilling starts, the central bit drive the ring bit down the hole, meanwhile the casing shoe and casing tube follow down together.
    2.When arriving the bedrock, reversly rotate the tools and the central bit is pulled out from the hole.
    3. During pouring the concretes through the casing tube, pull out the casing tube with the ring bit synchroly. Assembly Code Hammer Drill pipe dia.(mm)
    TGZ75-3.5-108/7.5 DHD3.5 76
    TGZ80-3.5-114/6 DHD3.5 76
    TGZ90-3.5-127/6.5 DHD3.5 76
    TGZ103-340-140/6 DHD340A 76
    TGZ106-340-146/7.5 DHD340A 76
    TGZ121-350-168/10.5 DHD340R 76 / 89
    TGZ130-350-168/8 DHD340R 76 / 89
    TGZ136-350-178/9 DHD340R 76 / 89
    TGZ139-350-183/10 DHD340R 76 / 89
    TGZ148-360-194/6.5 DHD360 114
    TGZ163-360-219/7 DHD360 114
    TGZ163-360-219/12.5 DHD360 114
    TGZ218-380-273/11.5 DHD380 114 / 140
    TGZ218-380-273/6.5 DHD380 114 / 140
    TGZ253-110-324/9.5 DHD110 140 / 194
    TGZ338-112-406/9.5 DHD112 194 / 273


    Company Contact:


    • Phone: +867176343815

    • Address: Wujiagang Industrial Park, Yichang, Hubei, China

    • Email: Email

    Published date: October 30, 2017 -

    • Business Description: Wooke Rock Drill Equipment has been accumulating 22 year's experience in designing, development and manufacturing top class Rock Tools and proving leading edge technology and services in this industry.

      Locating at the city of worldwide famous hydroelectric project "Three Gorges Dam"- Yichang, Wooke is delivering its precision rock drill tools: High air pressure DHD hammers, bits, drill pipes, top hammer threaded bits, shank adapters, coupling sleeves, R.C. products and various eccentric and systems.

      Over 40 Intellectual Properties as well as ISO9001: 2008 certificate have been obtained, and all products are compatible with products from Atlas Copco, Sandivk, Ingersoll-Rand and other world branding companies.

      Wooke's Vision is to be a first-class manufacturer in supplying worldwide high-tech and high quality rock tool industry with its "craftsman's spirit".

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