R32 مرساة الحفر الذاتية Q235 الصلب القشرة القشرة المسمار لتحقيق الاستقرار في المنحدر

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.