Highway and Bridge
Hengrui Fastener Products for Highway and Bridge Industry
Shanghai Hengrui manufactures high-strength fasteners for highway guardrails, bridges, tunnels, and structural joints. Our products include guardrail bolts, flange bolts, anchor bolts, and heavy hex nuts for bridge decks and steel connections.
We use carbon steel and alloy steel with hot-dip galvanizing or zinc-nickel coatings for long-term corrosion resistance. Fasteners are available in grades 8.8, 10.9, and 12.9 to meet structural requirements. All production follows ISO 9001:2015 standards for consistent quality and reliable delivery.

Commonly Used Products

Guardrail Bolts and Nuts

Anchor Bolts

Flange Bolts

Threaded Rods and Stud Bolts
Why Highway and Bridge Trust Shanghai Hengrui
High-Strength Materials
Hengrui uses carbon and alloy steels that meet GB/T, ASTM, and ISO strength standards for structural applications.
Reliable Assembly Sets
We deliver bolt-nut-washer kits that match in size, grade, and coating for faster installation and field efficiency.
Corrosion Protection for Outdoor Environments
Fasteners come with hot-dip galvanizing, zinc-nickel, or zinc-flake coatings to resist corrosion from rain, de-icing salts, and humidity.
Certified Production & Testing
Every batch is inspected for tensile, impact, and coating performance, produced under ISO 9001:2015 to ensure structural reliability.
Your Trusted Fastener Partner
Since 2020, our commitment to quality, customer satisfaction, and on-time delivery has been the foundation of our success. We continuously leverage our engineering knowledge, manufacturing capabilities, and innovative solutions to meet the unique needs of each project, ensuring that every fastener we deliver meets the highest standards.
Frequently Asked Questions
Grades 8.8, 10.9, and 12.9 are common for bridge and guardrail applications, offering high tensile and fatigue strength.
It provides thick zinc protection, preventing rust from moisture, road salt, and outdoor exposure for over 20 years.
Yes, we supply guardrail bolt kits that include bolts, nuts, and washers in consistent sizes and coatings for quick assembly.
Each batch undergoes tensile, hardness, and coating tests, with full inspection records for traceability and certification.
Our bolts and nuts are made with high-strength alloy steel (Grades 8.8 – 12.9) and tested for fatigue resistance under cyclic loads. This ensures the joints remain secure even under vibration from vehicles and wind.
Yes. We manufacture and certify fasteners according to ASTM A325/A490, ISO 898-1, and EN 14399, with complete inspection reports and material certificates, ensuring compliance for both domestic and export bridge projects.
Custom Fastener Made Easy
At HengRui, We turn complex Into Simple! Follow the following 3 steps to start today!
Tell Us What You Need
Tell us as specific as possible of your needs, provide the drawing, reference picture and share your idea.
Get Solution & Quote
We will work on the best solution according to your requirements and drawing, the specific quote will be provided within 24 hours.
Approve for Mass Production
We will start mass production after getting your approval and deposit, and we will handle the shipment.
We Are Ready To Help You
- Get free sample!! Contact us today
- We will contact you within 24 hours
- Minimum order quantity: 1,000 Kg
