BRIDGES & INFRASTRUCTURE
Connections that span generations.
Structural fasteners for ambitious projects.
St. Louis Screw & Bolt
Connecting Amazing
Structures Nationwide.
Every great structure starts with a strong connection. Structural bolts, anchors, and fastener expertise for the people who build America.
FIND YOUR CONNECTION ↓REAL STRUCTURES. REAL CONNECTIONS.
Built around your project.
Structural fasteners
Heavy hex · TC · Anchors
Heavy hex · TC · Anchors
Three locations
Madison · Atlanta · Las Vegas
Madison · Atlanta · Las Vegas
People who know bolts
Talk directly with our sales team
Talk directly with our sales team
Find your connection
The right fasteners.
For what’s next.
Explore our core structural fastener products. Have a takeoff, drawing, or material list? Let’s get your inquiry to the right people.
01 / STRUCTURAL
Heavy Hex Bolts ↗
A325 & A490 structural bolting
02 / STRUCTURAL
Tension Control Bolts ↗
TC bolt assemblies for structural connections
03 / FOUNDATIONS
Anchor Bolts ↗
Connections from the foundation up
04 / THREADED PRODUCTS
Threaded Rod ↗
All-thread for your project requirements
05 / ASSEMBLY COMPONENTS
Nuts ↗
Complete the connection
06 / ASSEMBLY COMPONENTS
Washers & DTIs ↗
F436 structural washers · F959 direct tension indicators
More than a fastener supplier
From the production floor
to your jobsite.
Manufacturing, technical knowledge, and nationwide service. Connect with a team that understands the details behind your structural fastener order.
- 01Manufacturing & custom requirements
Send your drawings and project requirements. We’ll help you take the next step.
- 02Testing & documentation
Get help with product questions, testing inquiries, and supporting records.
- 03Inventory & nationwide service
Madison, Atlanta, and Las Vegas connect your projects with our team.
Connections that matter
Part of something bigger.
Bridges, buildings, and the connections behind them. A closer look at the world our industry builds.
STEEL CONNECTIONS
The details hold it together.
Expertise where every connection counts.
Confidence in the connection
Know your fasteners.
Know your team.
Product testing and documentation belong in the conversation from the start. Our team can help you find technical resources and discuss your project’s requirements.
Explore Technical Resources ↗
Already connected?
Your order information.
One familiar place.
Access your customer portal through Hexport®.
The people behind the bolts
Strong connections
start here.
Welcome to St. Louis Screw & Bolt.
Dedication. Respect. Initiative. Focus. Teamwork. The values that greet our team and our visitors every day.
Visit Our Locations ↗
Build your next chapter with us.
Bring your skills, curiosity, and commitment to a team connecting amazing structures nationwide.
Explore Careers ↗
Connected to our community
Local drivers.
Racing families.
Shared pride.
We’re proud to support local dirt track drivers and their families. SLSB Racing celebrates the people, hard work, and community that make every race night matter.
Explore Community & Racing ↗A faster next step
Questions? Let’s connect.
What should I include in a quote inquiry?
Send the product type, grade or specification, diameter, length, quantity, finish, delivery location, and required date. Attach your takeoff or drawings when available. Our sales team can follow up on any missing details.
Email Your Inquiry ↗Where can I find structural bolt specifications?
Start with ASTM F3125/F3125M for structural bolts and assemblies, ASTM A563/A563M for nuts, and ASTM F436/F436M for structural washers, and ASTM F959/F959M for direct tension indicators. Our resources page links to the official ASTM listings, IFI references, and RCSC documents. Use the edition and requirements specified for your project.
View Specifications ↗How do I access Hexport?
Use the Hexport login to access the customer portal. If you need help getting connected, contact the SLSB sales team.
Open Hexport ↗How can I contact the sales team?
Call 800.237.7059 or email sales@stlouisscrewbolt.com. Use Chat with Sales to connect with our team.
Nationwide connections
Three locations.
One SLSB team.
Madison, Illinois
2000 Access Blvd
Madison, IL 62060
Atlanta, Georgia
5570 Tulane Dr SW
Atlanta, GA 30336
Las Vegas, Nevada
3200 Builders Rd
Las Vegas, NV 89101
Your next connection starts here
Let’s get your project
moving.
Share your requirements. Ask a question. Connect with our sales team.