FLANGE BOLTS
Provide secure fastening solutions engineered for durability in demanding applications.
Keep Projects Together
Trust our experts and the highest volume manufacturing center of nuts and bolts and standard fasteners in the U.S. You’ll get certified quality, superior service and fast delivery from the Birmingham Fastener team.
Leverage a wide selection of bolting for the energy industry, from the more commonly used ASTM A193 B7 studs and ASTM A194 2H heavy hex nuts to many other grades of material. We’re your top choice for essential fasteners in critical applications.
Precision, Performance, Predictability –
Get It All With PROTINN
Our all-new PROTINN purple bolt offers an unmatched ±10% k-factor for 3-4 times better torque loads than other B7 studs. Exceed safety standards and meet your performance goals with:
Precision
Consistent accuracy with ±10% torque load
Reliability
A precise, dependable
k-factor
k-factor
Durability
Superior corrosion resistance
Performance
Exact stud load with zero underloading concerns
Traceability
Single-source manufacturing and in-house testing
Learn more about the game-changing PROTINN bolt.
Deliver Confidence With Every Turn
Extreme Temperature Applications
Be prepared for low-temperature service with Grade B8 stud bolts and Grade 8 nuts suitable in temperatures as low as -325°F.
Custom Coating Options
Choose from stud finishes including plain, mechanical galvanized, hot dip galvanized (HDG), zinc, cadmium plated and Fluoropolymer, FK1, XYLAN 1424.Bolted to Unmatched Performance
Standard parts are readily available and come supplied with any necessary components.
ASTM A193 Grade B7 Stud Bolts
ASTM A194 Grade 2H Nuts
ASTM A320 Grade B8 Class 2 Stud Bolts
ASTM A320 Grade 8 Class 1 Nuts
PROTINN
From Start to Fasten
Everything you need to know to choose the right fastener supply partner? It’s all right here.
Strengthening Connections Across Industries
Take on any challenge with flange bolts and studs designed to weather even the most volatile environments.
Certified for Performance
Threading the Path to Reliability
Rigorous quality control and a strict adherence to industry standards set the tone for our high-quality flange bolts.
.svg)
Custom Manufacturing
Order custom parts built to your specifications with help from our experienced engineers.
Vendor-Managed Inventory (VMI)
Simplify your fastener supply with fully integrated support, including custom portal data reporting and on-site assistance.
Lab/Testing Services
Experience excellence on every order thanks to rigorous testing at our ISO 17025:2017-certified lab.
Packaging and Assembly
Expedite production with custom fastener kitting and assembly services, including detailed labeling and custom sizes.
The Nuts and Bolts of Success
Elevate your performance with steady supply and scalability when you partner with Birmingham Fastener.
$100M
IN INVENTORY
30,000
PRODUCT SKUS STOCKED
16
COAST-TO-COAST LOCATIONS
5
MAJOR CERTIFICATION REQUIREMENTS MET FOR PRODUCT LINES
Tighten Up Your Fastener Knowledge
ASTM-A193 B7 Stud Weight Chart
Unlock the Power of Vendor-Managed Inventory
Focus on What Matters Most
Secure Your Projects Using the Best Fastening Solutions
Streamline your fastener supply with a one-stop partner so you can focus more on your business.