R32 การเจาะตัวเอง Anchor Q235 Steel Hollow Grouting Bolt สําหรับการมั่นคงมุม

Video Description:
Discover the R32 Q235 Steel Hollow Grouting Self Drilling Anchor Bolt, designed for slope stabilization and tunneling pre-support. This innovative bolt combines drilling, grouting, and anchoring in one operation, perfect for weak or broken formations. Learn about its features, technical parameters, and applications in this detailed video.
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dth drill bit

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March 01, 2023