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Underground Mining Roof Bolting Expansion Shell Anchor / Rock Anchor Bolts

    Buy cheap Underground Mining Roof Bolting Expansion Shell Anchor / Rock Anchor Bolts from wholesalers
     
    Buy cheap Underground Mining Roof Bolting Expansion Shell Anchor / Rock Anchor Bolts from wholesalers
    • Buy cheap Underground Mining Roof Bolting Expansion Shell Anchor / Rock Anchor Bolts from wholesalers
    • Buy cheap Underground Mining Roof Bolting Expansion Shell Anchor / Rock Anchor Bolts from wholesalers
    • Buy cheap Underground Mining Roof Bolting Expansion Shell Anchor / Rock Anchor Bolts from wholesalers
    • Buy cheap Underground Mining Roof Bolting Expansion Shell Anchor / Rock Anchor Bolts from wholesalers

    Underground Mining Roof Bolting Expansion Shell Anchor / Rock Anchor Bolts

    Ask Lasest Price
    Brand Name : NC641
    Model Number : 641
    Certification : ISO9001,CE.SGS
    Price : $1-50
    Payment Terms : T/T, L/C
    Supply Ability : 80,000 pcs monthly
    Delivery Time : 30 days
    • Product Details
    • Company Profile

    Underground Mining Roof Bolting Expansion Shell Anchor / Rock Anchor Bolts

    Underground Mining Roof Support & Mining Roof Bolting Expansion Shell Rock Bolt Anchor


    Description

    The expansion shells are designed to be used for roof support in mining and tunneling areas (underground). Easy to use in conjunction with the corresponding threaded rod with a continuous coarse thread, anchor plate and anchor nut.

    Expansion shells hold in any rock strata which is sufficiently competent to provide an adequate anchorage.
    They are designed to anchor in soft ground or hard rock.
    In good strata the anchorage exceeds the ultimate strength of the steel bolt.
    All expansion shells require a competent strata in the anchor zone.
    The suitability of the anchorage and the specific expansion shell to be used is best determined by physical load testing.


    Product Details


    Product NameRock Bolt with Expansion Shell
    Type (Size)32mm, 35mm, 38mm, 42mm, 48mm
    MaterialCast Iron
    FinishSand Blasting
    weight0.3-0.6KG etc.


    Our Advantage

    1. Rich production experience and very professional
    2. Provide customers with one-stop solution and purchasing requirements
    3. Complete production process and products
    4. Design and recommend suitable products for customers
    5. Cheap price, high quality, fast delivery time
    6. Accept small orders
    7. Credit security
    8. Communicate well with customers, quick reply and quote

    FAQ


    How long can I expect to get the customized sample?

    After you pay the sample charge and send us confirmed files, and the mould is existing in our factory, the samples will be ready in 10-15 working days;
    If the mould is not existing, we need to open a new mould, the samples will be ready in 15-18 working days; The samples will be sent to you via express and arrive in 3-5 working days. You can use your own express account number or prepay us if you do not have an account.


    What about the lead time for mass production?

    Honestly, it largely depends on the order quantity and the season when you place the order. As usual, 20-35 working days will be OK. If you are very urgent, we will try our best to do it.


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