R32 자기 굴착 앵커 Q235 스틸 홀루링 볼트 경사 안정화

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.