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Shandong Tongrui Mining Technology Co., Ltd.

China Manufacturer with main products: Rock Bolt, Friction Bolt, Cable Bolt, Thread Bar Bolt, Split Set Bolt, Strata Bolt, Mining Bolt

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sn bolt


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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Specifications

SN bolt
   Tightlok Threadbar Bolt is composed of hot rolled ribbed bar, high strength plate , damping nut ,yield tube, washer , and other accessories. Usually used in thick coal seams with very high stress and large deformation.

Feature :
(1) High tensile strength and good support capacity which can prevent the roof from sinking and sliding.
(2) Fast and easy installation by mechanized tools.
(3) Used together with resin cartridge for permanent support.
(4) Sharp End device makes installation easier and faster.
(5) Left hand thread derection available.
(6) Specially Sandwich device can buffer and release
the pressure.
 

Service Process

Service Guarantee

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    ECVV doesn't charge any service fee to Buyers for buying this product.

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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