See Our Products Contact Us AA ANCHOR BOLT
100% USA Made
Domestic Manufacturer

Impossibilities We Do Immediately. Miracles Take a Little Longer.

Trusted Anchor Bolt Manufacturer in Michigan

AA Anchor Bolt delivers precision-machined anchor bolts and specialty fasteners to clients across Michigan and the Midwest. With over four decades of hands-on experience, we manufacture custom, made-to-spec bolts with fast turnaround times and unmatched service.

Built from the ground up in a home garage, our family-owned operation still holds to the values that set us apart: consistency, accountability, and attention to detail. If the job calls for rolled threads, custom bends, or heavy-duty rebar fabrication, our team gets the job done right.

Order In-Stock Steel for Faster Turnarounds!

With nearly a million pounds of steel on hand and a steady supply of hot-dip galvanized products, AA Anchor Bolt keeps projects moving. Our in-stock inventory means we can deliver custom and standard bolts with quicker turnaround times than competitors.

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Our Specialty

High-Quality Bolts and Rods
for Industries in Northville, MI, and Surrounding Areas

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Since 1979

About AA Anchor Bolt

AA Anchor Bolt, Inc. has been a family-operated business since 1979, founded with a motto that states, “Impossibilities we do immediately. Miracles take a little longer.”

Our sales staff has over 80 years of combined knowledge in the construction and fastener industries. We manufacture a multitude of quality products, including anchor bolts, custom fasteners, and threaded products. We carry a wide range of products within our in-house facility and can create custom orders to meet the demands of our customers.

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Take Advantage of In-Stock Steel for Immediate Needs

Speed isn’t just about efficient processes; it’s also about preparation. With nearly a million pounds of steel in-house and a wide range of hot-dip galvanized products, we can eliminate the supply delays that slow down other manufacturers.

This extensive inventory lets us start production immediately, ensuring your anchor bolts, rods, and fasteners are fabricated and shipped quickly. Combining stocked materials with our custom capabilities gives contractors, OEMs, and infrastructure partners a reliable edge in meeting critical deadlines.

Industrial & Commercial Manufacturing Capabilities in Northville, MI

AA Anchor Bolt supports industrial and commercial clients with full-service fabrication, welding, and custom assembly. Our facility includes advanced equipment and certified welders ready to handle high-demand jobs accurately and efficiently.

Capabilities include:

140-ton ironworker for punching up to 3″ holes in plate
Plate shearing: ¾” x 8 ft and 1″ x 18″ capacities
Welded plate and pipe bolt assemblies
Concrete embeds using a 1600 amp stud welder (up to ⅞” studs)
Leveling plates in stock from ¼” x 6″ x 6″ to ¼” x 26″ x 26″
Drill and thread tapping up to 3″ diameter
MIG and arc welding
Precision forming with press brake

Every project is supported by experienced technicians, responsive communication, and dependable turnaround times.

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DOT Anchor Bolt Supplier FAQs

What types of anchor bolts do you manufacture?

We manufacture a wide range of custom anchor bolts to meet project-specific requirements for strength, shape, and threading.

Bolt Types Include: J-bolts, L-bolts, U-bolts, eyebolts, crane rail hook bolts, and straight rods
Threading: Rolled and cut thread options available from ¼” to 5″
Bending: Custom bending up to 3″ in diameter based on your print

All bolts are made in-house at our domestic anchor bolt manufacturing facility in Michigan, giving us full control over quality and turnaround time.

Do you supply DOT-approved anchor bolts for highway contractors?

Yes, AA Anchor Bolt is a qualified DOT anchor bolt supplier serving infrastructure contractors across the region.

Our team produces bolts that meet state and federal requirements for highway and bridge projects, including proper certification and documentation. These fasteners are frequently used in guardrails, bridge decks, and other transportation-related structural applications.

What are the differences between Grade 36, 55, and 105 anchor bolts?

Grade 36 anchor bolts are low-carbon steel bolts suitable for general structural applications, offering ease of fabrication and weldability.

Grade 55 offers moderate strength and is often used in precast and light structural steel applications, while Grade 105 anchor bolts are high-strength fasteners used in demanding environments like seismic zones. We produce all three to meet F1554 anchor bolts Detroit specifications and help clients choose the appropriate grade based on performance needs.

What industries do you serve with your custom bolt fabrication services?

We provide structural anchor bolts and custom fasteners for a wide range of industries.

Construction: Commercial buildings, warehouses, and concrete foundations
Infrastructure: Rail systems, utility poles, and traffic structures
Energy: Wind farms, substations, and power transmission projects
OEM Support: Equipment builders needing steel anchor bolts for USA fabrication

Each order is built to exact project specifications and backed by responsive service from experienced technicians.

Do you provide hot-dip galvanizing services in-house?

While we do not galvanize on-site, we work closely with trusted regional partners to supply hot-dip galvanized anchor bolts that meet ASTM standards.

This process enhances corrosion resistance for outdoor, marine, and precast concrete anchor bolt applications. By managing this step directly, we ensure a seamless workflow and consistent finish on every galvanized order.

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Our Products

We manufacture a variety of quality products in-house, including anchor bolts, custom fasteners, and threaded products. We also have a steady inventory of products within our facility and have the ability to create custom orders based on demand.

F1554 Anchor Bolt

F1554 covers anchor bolts designed to anchor structural supports to concrete foundations.

Square/RoundU-bolts

U-Bolts are designed to fix an item to a box section structure or trunking, or used for clamping square or round items.

All Threaded Rods

Rods that are continuously threaded from one end to the other. Often referred to as fully threaded rods, redi rod, and TFL rod.