Verified 4 July 2026

Stainless steel fasteners manufacturers

Buyers looking for stainless steel fastener manufacturers will find firms that make standard nuts, bolts, screws and custom specialty fasteners in various stainless grades (300/304/316 and specialty alloys). When choosing a manufacturer, confirm they actually produce (not only distribute) the parts, the stainless grade and corrosion standard, and their capacity/lead time for your quantities.

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6 verified manufacturers

  • KD Fasteners, Inc.

    “Page title: "Custom Stainless Steel Fastener Manufacturer"; KD Fasteners, Inc. is a full service provider of stainless steel fasteners.”

  • Atlanta Rod and ManufacturingUSA

    “"Atlanta Rod manufactures domestic stainless nuts, headed bolts, studs, and to your custom specifications"”

  • Alloy FastenersUSA

    “Described as "a leading nationwide distributor, USA manufacturer, and direct importer specializing in stainless steel fasteners."”

  • APF

    “"We source, manufacture, and distribute stainless steel fasteners, matched to your requirements and quality-tested in our lab."”

  • Eastwood

    “"Eastwood manufactures custom fasteners using all grades of stainless steel, including 300, 400, 500 and specialty alloys." (listed on boltman.com)”

  • Lamons

    “"Lamons manufactures and provides industrial OEM fasteners, bolts & hardware for a wide range of industries."”

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.

  • Material / Grade

    Specify the stainless grade required (e.g., 304, 316, duplex or other alloy) because corrosion resistance and strength vary by grade.

  • Part type & dimensions

    Give exact part type (bolt, nut, screw, washer), thread size/pitch, length, head style and dimensional tolerances.

  • Mechanical properties / strength class

    State required tensile/yield strength or property class (e.g., ASTM/ISO classes) and any hardness limits.

  • Surface finish / coating

    Note required finish or coatings (plain, passivated, electropolished, plating) for aesthetics or enhanced corrosion protection.

  • Quantity & forecast

    Provide initial order quantity, annual forecast, and whether you need kitting or assembly to determine MOQ and pricing.

  • Applicable standards & certifications

    List required standards (ASTM, ISO, MIL-SPEC) and supplier certifications (e.g., ISO 9001, NADCAP) needed for acceptance.

  • Special requirements

    Include any secondary operations (heat treat, locking features, custom packaging, serialization) or testing requirements.

Sourcing FAQ

How do I verify a supplier actually manufactures stainless fasteners?
Ask for a statement of manufacturing capability, photos or video of production, and inspection/test reports; prefer suppliers that state "manufacture" on their site and can show quality lab/test certificates.
What typical minimum order quantities (MOQs) should I expect?
MOQs vary widely by maker and whether the parts are standard or custom; standard stock items can often be bought in small quantities, while custom fasteners usually have higher MOQs—confirm with the manufacturer for your specific part.
Which specifications and certifications matter for stainless fasteners?
Common specs include ASTM and ISO fastener standards and material certifications (material test reports). For critical industries, ask for supplier ISO 9001 and any industry-specific approvals required by your project.
What drives lead time for stainless fasteners?
Lead time depends on whether parts are standard stock or custom, material availability for the specified stainless grade, required secondary operations (heat treat, plating), and current production capacity at the manufacturer.

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