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Products
Headed Bolts
At Atlanta Rod, we specialize in manufacturing custom headed bolts built for demanding industrial and construction applications.
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Overview
Headed Bolts
At Atlanta Rod, we specialize in manufacturing custom headed bolts built for demanding industrial and construction applications. Our bolts are available in carbon, alloy, stainless, and exotic steels—all produced to meet or exceed ASTM specifications. Whether you need standard hex-head bolts, heavy-hex bolts, or engineered special heads, Atlanta Rod delivers precision-machined headed bolts made to your exact specifications.
We support a full range of products including anchor bolts and forged nuts, as well as custom finishes and raw-material options. …
All manufacturing is backed by domestic certifications of melt and manufacture, ensuring quality and traceability for your project.
Order Headed Bolts Made to Your Requirements
We manufacture headed bolts ranging from ¼” to 4-½” in diameter, including metric sizes, with cut or rolled threads on one or both ends. Thread types include Coarse, Fine, Acme, Left-Hand, Lag, and Metric, ensuring compatibility across various applications.
Available Finishes and Coatings
Choose the right protection for your project’s environment:
Plain (uncoated)
Zinc-Plated
Hot-dip galvanized
Custom coatings available upon request
Fast Production and Certified Quality
We understand tight project timelines. That’s why Atlanta Rod offers expedited manufacturing to align with your construction or production schedule. All products can be supplied with certifications of melt and manufacture and material test reports, ensuring compliance and traceability.
Looking for a reliable headed bolts manufacturer in the USA?
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Product Range
Our Headed Bolt Products
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Carriage Bolts
Very similar to a dome head bolt but carriage bolts have a square neck under the head to prevent turning. Diameters we manufacture are 3/8” to 1-1/2” and metric equivalents. Commonly manufactured to ASTM A307 specification. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
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Headed Bolts Overview
At Atlanta Rod, we specialize in manufacturing custom headed bolts built for demanding industrial and construction applications. Our bolts are available in carbon, alloy, stainless, and exotic steels—all produced to meet or exceed ASTM specifications. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
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Penta Head Bolts
Penta Head Bolts are typically used in public areas such as manhole and ground lid coverings for their added level of security. A special pentagon-shaped socket is required to use or remove the bolts and are not typically found in retail stores. Diameters we manufacture are 3/8’’ to 2-¼’’ in diameter in a variety of different materials and coatings. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
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Square Head Bolts
Designed for an easier wrench grip or to be turned by hand; typically used in construction or in railroad projects. Diameters we manufacture are 3/8” to 1-1/2” and metric equivalents. Commonly manufactured to ASTM A449 or SAE J429, Grade 2, Grade 5 and Grade 8 specifications. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
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Flat Head Bolts
These bolts have a smooth head and are angled under the head allowing them to sit flush in countersunk applications. Diameters we manufacture are 3/8” to 1-1/2” and metric equivalents. Commonly manufactured to ASTM A307, A449 and SAE J429 specifications. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
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Step Bolts
Step bolts are used in many applications but most commonly in the communication industry has a step on towers and utility poles. Diameters we manufacture are 3/8” to ¾.” Commonly manufactured to ASTM A449 specification. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
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Hex Bolts
Atlanta Rod & Manufacturing is an established American manufacturer of standard finished domestic hex bolts, heavy structural fasteners, and custom metric fasteners. Produced directly at our Lavonia, Georgia plant, our domestic fasteners are built for contractors, steel fabricators, and OEMs needing certified Build America, Buy America (BABA) Act and American Iron and Steel (AIS) compliance. Every shipment is accompanied by complete certified domestic Mill Test Reports (MTRs) documenting melt and manufacturing origin in the USA. Domestic Bolts & Georgia Construction Fasteners Manufacturing As a leading producer of Georgia construction fasteners and nationwide infrastructure hardware, Atlanta Rod manufactures standard finished hex…
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Dome Head Bolts
Used dome head bolts in wood applications; also called timber bolts. Diameters we manufacture are 3/8” to 1-1/2” and metric equivalents. Commonly manufactured to ASTM A307 specification. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
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Structural Headed Bolts
Heavy hex structural bolts. Diameters we manufacture are ½” to 1-1/2” in long or non-standard sizes. Commonly manufactured to ASTM A325 and A490 specifications. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
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T-Head Bolts
T-Head bolts have a t-shaped head designed to sit flush or below the material surrounding the bolt; often used in the waterworks industry. Commonly manufactured in stainless steel and conform to AWWA C111/A21.11-80 specifications. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
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Heavy Hex Bolts
Atlanta Rod & Manufacturing is a premier American manufacturer of domestic heavy hex bolts, structural headed bolts, and custom high-strength fasteners. Produced directly at our state-of-the-art facility in Lavonia, Georgia, all our heavy hex headed bolts meet 100% Build America, Buy America (BABA) Act and American Iron and Steel (AIS) domestic compliance mandates. Every order is fully traceable with certified domestic Mill Test Reports (MTRs) documenting melt-and-manufacture origin in the United States. Heavy Hex Bolt Dimensions & ASME B18.2.1 Specifications Heavy hex bolts feature a larger head profile and wider bearing area than standard finished hex bolts, distributing clamping loads…
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Cap Screws
Similar to a hex bolt, but a cap screw has a washer face under the head and a chamfered end. Diameters we manufacture are 3/8” to 1-1/2” and metric equivalents. Commonly conforms to SAE J429, Grade 5 and Grade 8 specifications. Give us a call today 800-633-9794 to request a quote or send an email to Sales@ATLROD.com
Frequently Asked Questions
Straight answers about our products, manufacturing capabilities, and compliance.
We manufacture hot-forged headed bolts from 3/8″ to 2-1/2″ in diameter, in carbon, alloy, stainless, and other specialty steels.
Headed bolt types available include hex, heavy-hex, cap screws, structural, T-head, square head, flat head, lag, dome head, carriage, and custom designs.
We manufacture to a wide range of industry standards such as ASTM A193, A320, A354, A307, A325, A490, DIN, ISO, and more. Domestic certifications of melt & manufacture are available on request.
Yes — we maintain a large raw material inventory for shorter lead-times, offer custom lengths, non-standard sizes, and optional finishes (e.g., plating and special coatings) to align with project schedules and requirements.