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.
難易度のある掘削条件の 岩層に最適です
Widely used in tunneling, underground mining, and ground engineering.
ソイルネイル、ロックボルト、マイクロパイルの最適なソリューション。
よくある質問:
これらのセルフドリリングアンカーボルトの直径範囲はどれくらいですか?
直径範囲は25mmから130mmで、様々な鉱業および土木用途に適しています。
How does the hollow bar system work during drilling?
The hollow bar allows air and water to pass through during drilling to remove debris, followed by grout injection for complete bolt coverage.