Precision Fasteners for Critical Aerospace Applications
MAC Fasteners, part of PennAero Aerospace, is a high-volume producer of AN, MS, NAS, and AS standard screws and bolts supporting commercial and military aircraft programs worldwide. From specification through final inspection, MAC delivers aerospace fasteners engineered for dimensional accuracy, metallurgical control, and consistent structural performance.
Our Products
A look Inside MAC
For decades, MAC Fasteners has built its reputation on precision manufacturing, engineering discipline, and uncompromising quality control. From initial specification through heading, heat treatment, plating, and final laboratory validation, every step is executed within a tightly managed production environment designed to ensure dimensional accuracy and consistency.
Fasteners Built for Performance and Program Consistency
With experienced engineering teams, advanced manufacturing technology, and deep metallurgical expertise, MAC Fasteners delivers aerospace-standard screws and bolts at a quality level trusted by OEMs, aftermarket repair organizations, and global aerospace manufacturers.
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