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MAC Fasteners

MAC Fasteners, a division of TriMas Aerospace, is a premier manufacturer of high-volume aerospace screws and bolts. Based in Ottawa, Kansas, MAC Fasteners serves a global market including original equipment manufacturers (OEMs), aftermarket repair companies, and producers of commercial and military aircraft. Their extensive product line includes NAS, MS, AN, and AS standard fasteners made from A286, 302, and 431 stainless steels, as well as 4037, 8740, and INCO-718 materials.

Specializing in custom fastening solutions, MAC Fasteners ensures the highest quality from specification to finished product through in-house engineering, tooling, heading, secondary operations, heat-treating, plating, and comprehensive testing. Their state-of-the-art laboratory supports a rigorous quality system, guaranteeing exceptional product reliability and performance.

Leveraging advanced technology, engineering expertise, and a strong Midwest work ethic, MAC Fasteners stands out as a top provider of aerospace fasteners, meeting the stringent demands of both commercial and military applications. Their commitment to quality and precision makes them a trusted partner in the aerospace industry.

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