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    • Concave Bottom Mill Shoe - China

    price: contact company for price

    Concave Bottom Mill Shoe

    Products Photos Catalog Concave Bottom Mill Photos Catalog

    The concave bottom mill shoe is used to grind downhole small

    objects and other unstable fallen objects.

    Technical specifications and parameters

    Type OD (mm) Connection(Box) Hole size(mm)

    MA89 89 2 3/8 REG 95.2-101.6

    MA97 97 NC26 107.9-114.3

    MA110 110 NC26 117.5-127.0

    MA121 121 NC31 130.0-139.7

    MA130 130 NC38 142.9-152.4

    MA140 140 NC38 155.6-165.1

    MA156 156 NC38 168.0-187.3

    MA178 178 NC50 190.5-209.5

    MA200 200 NC50 212.7-241.3

    MA232 232 NC50 244.5-269.5

    MA257 257 6 5/8 REG 273.1-295.3

    MA279 279 6 5/8 REG 298.5-317.5

    MA295 295 6 5/8 REG 320.6-346.1

    MA330 330 6 5/8 REG 349.3-406.4

    MA381 381 7 5/8 REG 406.4-444.5


    Company Contact:


    • Phone: 00862131150073

    • Address: No.2999 Xinyang Road,Fengxian District, Shanghai , China

    • Email: Email


    Published date: January 9, 2014

    • Business Description: Tianhe Oil Group is a comprehensive enterprise of equipment

      manufacturing and oilfield service providing.

      The company is specialized

      in innovation, manufacture and sales of drill and petroleum extraction

      tools, equipments and oil field services.

      Tianhe Oil Group is the council member of CPEIA (China Petroleum and Equipment Industry Association), rewarded as national level of Hi Tech enterprise.

      The company is a Chinese well known trademark enterprise.

      It has been certified to ISO, API, NS 1, and HSE management system.

      The company has developed a strong domestic sales network covering all oilfields of CNPC, SINOPEC and CNOOC.

      Currently, our products and equipments have been exported to 45 countries, overseas business has covered 80% of our company sales.

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