Self-Drilling Hollow Anchor Bar System
Self-drilling hollow anchor bars are utilized in ground engineering for soil nailing, rock bolting, and tunneling. This system combines drilling, anchoring, and grouting into one operation, providing reliable support with accessories like couplers, nuts, and plates.



Technical Specifications
Product Overview
Comprehensive Anchoring Solution
The Self-Drilling Hollow Anchor Bar system is a versatile solution engineered for high-performance soil nailing, rock bolting, and tunneling. By integrating drilling, anchoring, and grouting into a single efficient operation, it drastically improves site productivity and structural stability. The hollow core design facilitates continuous grouting, ensuring reliable ground support even in challenging soil and rock conditions.
System Components
Included Components
- Hollow anchor bars
- Couplers
- Nuts
- Drill bits
- Plates
- Thread Specifications
- R25R32R38R51R63R76T30T40T52T73T76T103T111T127
Drilling Accessories
Available Drill Bit Variants
- Carbide cross cut bit
- Carbide button bit
- Steel cross cut bit
- Steel button bit
- Clay sand bit



