Brief: Discover the 25mm-130mm Diameter Self Drilling Anchor Bolt Hollow Anchor Bar Anchor Rods for Mining. These hollow threaded bars with attached drill bits enable drilling, anchoring, and grouting in one operation. Ideal for rock mass stabilization in tunneling, mining, and ground engineering.
Related Product Features:
Self-drilling hollow bar anchor system for efficient rock mass stabilization.
Combines drilling, anchoring, and grouting in a single operation.
Hollow threaded bar allows air, water, and grout passage for debris removal and complete coverage.
Couplings enable bolt length extension for versatile applications.
Nuts and plates provide required tension for secure anchoring.