
Heavy-Duty Self Drilling Anchor Bolts for Mining Applications. High Strength & Fast Curing: Fast strength growth allows immediate load bearing with strong anchoring force. Custom Length Available: Standard length is customizable to meet specific project requirements. Rust-Proof Surface: Black surface treatment provides rust-proof protection for durability. Easy Installation: Convenient operation with low labor intensity and high support efficiency. Cost Effective: Significantly reduces support cost per ton of coal in mining applications. ISO 9001 Certified: Manufacturing meets ISO 9001:2015 standards for quality assurance. Versatile Application: Suitable for underground rock, semi-coal, and coal tunnel support. High Performance Material: Made from Alloy Steel or Carbon Steel for heavy-duty mining use.