The AN4-77 Bolt is a high-strength aerospace fastener designed for structural aircraft applications requiring dependable performance in both tension and shear loads. Part of the AN (Air Force-Navy) standard hardware series, this precision-machined bolt features a 1/4-inch diameter shank, UNF threads, and a corrosion-resistant cadmium-plated finish. It is widely used throughout aircraft airframe, engine, and system installations where strength, reliability, and compliance with aviation standards are essential.

OEM and aftermarket aircraft hardware replacement Minimum Tensile Strength | 125,000 psi | a trusted choice for aircraft maintenance, repair, and manufacturing professionals.