Mining right-handed anchor

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Brief Introduction 1.easy to use 2.high quality 3.best price Detail Introduction Mining right-handed anchor 1. Raw material of high strength bolt are extension rate of not less than 15%, the yield strength of not less than 335 mpa, the breaking strength of not less than 490 mpa, the material of 20 mnsi steel after hot rolled 2. Compressive strength of 20 tons to 50 tons, respectively Φ 18 to 22 Φ rod body straightness tolerance of 2 mm/m, dextral strongly rebar type resin anchor rod, etc

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jining hengwang mining machinery co.ltd

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