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SHANXI LANYUAN TECHNOLOGY CO., LTD.

SNIEC E5.778

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EXPANDABLE ROCK BOLT

Product Category: Roof for roadways supports

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Product Introduction

A unique rock anchoring device is formed by folding a welded tubular material inward and sealing it at one end. The product is mainly applied in various tunnel and mining systems. ① Typical anchoring components in tunnel construction,It has the ability to withstand high deformation loads and good deformation. ② Expandable rock bolt can be used as grid anchor rods to support tunnel excavation work. Mining expansion rock bolt. Model: Pm12, Pm16, Pm24, Mn12, Mn16, Mn24. Yield strength ≥380 MPa, tensile strength ≥450 MPa. Elongation: Pm series ≥10%, Mn series ≥20%. Length 900‑2400 mm. Anchoring by pipe expansion for mine roadway support.

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