Verified 4 July 2026

Anchor bolts manufacturers

Anchor bolt manufacturers range from small specialty shops that make custom J-, L- and hooked bolts to larger industrial fastener companies producing standard and nonstandard construction anchor bolts; buyers should look for manufacturers that can meet required bolt type, material grade, coating, and applicable standards. Below are manufacturers that explicitly state they produce anchor bolts on their own sites.

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9 verified manufacturers

  • AA Anchor BoltUSA

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

  • J.H. Botts, LLCUSA

    “Listed as "Anchor Bolt & Steel Fabrication Manufacturer" and stocks standard-size bolts used in roadway lighting, traffic signal and sign structure industries.”

  • Atlanta Rod and ManufacturingUSA

    “"Atlanta Rod manufactures anchor bolts from ¼″ to 4-1/2″ (and metric equivalents) in carbon, alloy, stainless and exotic steels."”

  • Portland BoltUSA

    “"Portland Bolt has manufactured and distributed the highest-quality anchor bolts and nonstandard construction fasteners since 1912."”

  • Haydon Bolts, Inc.USA

    “"Haydon Bolts, Inc.... is a family owned manufacturer specializing in domestic structural bolts and anchor rods, since 1864."”

  • Dale CompanyUSA

    “Described as a "bent anchor bolt distributor that manufactures high-quality, galvanized and stainless steel L shaped bolts" used in structural concrete.”

  • KD Fasteners, Inc.®USA

    “"KD Fasteners is an industrial anchor bolt manufacturer & supplier offering custom anchor bolts for light and heavy-duty jobs."”

  • AJAX FastenersUSA

    “Pages titled "Custom Anchor Bolt Manufacturing" describing in-house manufacturing, machining and grade stamping for anchor bolts.”

  • LEMARChina

    “LEMAR is described as "one of the most professional anchor bolts manufacturers and suppliers in China, specialized in providing high quality OEM service."”

Compiled from public sources and refreshed periodically. Always verify certifications and capabilities directly with the manufacturer before ordering.

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What to specify in your RFQ

Manufacturers quote faster and more accurately when your request covers these points.

  • Bolt type/shape

    Specify J-bolt, L-bolt, straight anchor, hooked, bent, or custom geometry required so the manufacturer can confirm forming capability.

  • Material and grade

    Specify steel grade (e.g., carbon, alloy, stainless), and applicable structural grades or specs (for example ASTM designations) required.

  • Diameter, length and thread details

    Provide nominal diameter, overall length, embedment length, thread length and thread class/pitch so threads and rolling machines can be set correctly.

  • Coating/finish

    State if hot-dip galvanizing, electroplating, painting, or other corrosion protection is required and any post-coating dimensional limits.

  • Quantity and lead time

    Give expected order quantity, whether this is a one-off, repeat orders, and required delivery date to determine tooling and production scheduling.

  • Dimensional tolerances and testing

    Specify tolerance bands, hardness or tensile requirements, and whether mechanical or destructive testing (e.g., proof load, tensile) is required.

  • Applicable standards and certifications

    List required standards (ASTM, AISC, ISO) or mill/test certifications so the manufacturer can confirm compliance and documentation.

Sourcing FAQ

How do I verify a supplier actually manufactures anchor bolts?
Ask for statements of manufacturing capability on the supplier's own website, photos of the production facility or process, and references for similar anchor-bolt projects; site pages that explicitly say "we manufacture" or list in-house machining are evidence.
What drives lead time for custom anchor bolts?
Lead time is driven by whether bolts are standard stock or custom (shape, threading, heat treatment), coating operations (e.g., galvanizing adds time), and current production queue for forming, machining and testing.
What certifications or standards should I expect?
Common expectations include compliance with relevant ASTM specifications (e.g., F1554 for anchor bolts), mill/test reports, and any project-specific structural standards; request the exact standard references you need.
What about minimum order quantities (MOQs)?
MOQs vary widely by manufacturer and by whether bolts are stock or custom; ask each manufacturer for their MOQ and whether pricing tiers change with quantity.

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