1.Hollow selfdrill grouted anchor 2.Embodies drilling, grouting and anchoring as a whole 3.Diameter:25-103mm 4.High strength Hollow selfdrilll grouted anchor embodies drilling, grouting and anchoring as a whole. Widely used as an efficient anchoring means, in tunnel presupport, slope, coast, mine, water conservancy projects, building foundation, roadbed reinforcement and geological diseases ...
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