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◆ Special accessories for coal mine support, rail transit engineering accessories, building structure connectors
◆ Covering GB , DIN , ASTM , BS , JIS, ISO and other standard systems
◆ Custom stainless steel, copper, aluminum alloy and other special material products and special-shaped non-standard parts
Material & Structure
Material: High-quality carbon structural steel / High-strength alloy steel, undergoes overall quenching and tempering treatment Structure: Integrated standard bolt structure, equipped with matching nuts, flat washers, and spring washers Process: Precise rolling of threads, overall strengthening, surface treated with anti-rust blackening / galvanization
Core Features & Advantages
◆ Excellent Shear Resistance
It enhances the anti-shear performance specifically, capable of withstanding the squeezing force of the surrounding rock and the shear load of the rock layer, and is not prone to breaking or deforming.
◆ High Tensile Strength High-strength substrate + heat treatment process, with strong locking force, stable fastening, and no slippage or cracking under long-term load.
◆ Firm Connection & Anti-loose Standard precision threads, combined with a spring washer anti-loosening design, are not likely to loosen or fall off under vibration or rock pressure.
◆ Corrosion & Rust Resistance Blackened / Galvanized anti-corrosion treatment, suitable for harsh working conditions in underground environments such as high humidity, dustiness and weak corrosion, with long service life.
◆ Easy Installation & High Compatibility Uniform specifications, quick installation, compatible with mine anchor rods, steel belts, various mine support nets and trays.
◆ Cost-effective & Reliable The structure is simple and durable, with a low failure rate. It significantly reduces the maintenance costs for mine support and enhances the overall safety factor of the roadway.
Common Specifications
◆ Common Specifications: Mine standard sizes such as M16, M18, M20, M24, etc. ◆ Surface Treatment: Oxidation blackening / Hot galvanizing / Electro-galvanizing ◆ Strength Grade: 4.8 grade / 8.8 grade - Special high-strength for mines ◆ Matching Accessories: Complete set including bolts, nuts, flat washers, and spring washers
Application Scope
◆ Application in the roof and side supports of underground tunnels and shafts in coal mines and metal mines ◆ Installation of mining welding nets, plastic support nets, steel belts, and tray locking devices ◆ Application in anchoring and tightening of surrounding rocks of tunnels and underground projects, as well as slope support ◆ Complete set of anchoring accessories for mine support systems, used in combination with anchor rods and anchor cables
About Us
Hebei Tianlong Fastener Co., LTD., founded in 2006, has been deeply engaged in the field of fastener manufacturing for 18 years, and is a modern enterprise integrating scientific research and development, intelligent manufacturing, global marketing and technical services.
The company has always adhered to the innovation-driven development strategy, through systematic talent training, forged a core team composed of senior engineers, innovative technicians and industry elites, combined with advanced management system, automatic machining center and intelligent testing system, to build a full chain of excellence guarantee system through research and development, production and quality control. Continue to provide customers with high-precision, high-strength, high-stability fastening solutions.
Exhibition
FAQ
How long has Tianlong Fastener been in the fastener manufacturing industry?
We have over 18 years of professional experience since our founding in 2006.
What core capabilities does Tianlong Fastener have?
We integrate R&D, intelligent manufacturing, global marketing and technical services.
Does Tianlong Fastener offer standard fastener products?
Yes, we supply 8.8/10.9/12.9 class bolts/nuts complying with GB, DIN, ASTM, BS, JIS, ISO.
Can Tianlong Fastener provide custom fastener solutions?
Absolutely, custom services are our core strength for special demands.
What custom materials can the fasteners be made of?
We customize fasteners with stainless steel, copper, aluminum alloy and other special materials.
